O 2 -Handypreisliste für Businesstarife

Telefónica Germany GmbH & Co. OHG
Georg-Brauchle-Ring 23-25
80992 München
Tel:0800 /22 111 22
Geschäftskundenpreisliste Mobile Endgeräte Postpaid von O2 (Nettopreis)
Irrtümer und Änderungen vorbehalten. Preise sind in € exkl. MwsT. Mit dieser Preisliste verlieren alle bisherigen Preise Ihre Gültigkeit.
01.03.2016
Gültig ab:
Art. Nr.
4511-070001-00
4511-070004-00
4515-300000-00
4515-300001-00
4515-300009-00
4515-300010-00
4515-300004-00
4515-300005-00
4515-300006-00
4515-300007-00
4515-300008-00
4515-300011-00
4515-300012-00
4515-300022-00
4515-300023-00
4515-300021-00
4510-300093-00
4510-300094-00
4510-300096-00
4510-300202-00
4510-300203-00
4510-300205-00
4510-300206-00
4510-300211-00
4510-300212-00
4510-300215-00
4510-300214-00
4510-300267-00
4510-300268-00
4510-300269-00
4510-300270-00
4510-300259-00
4510-300260-00
4510-300261-00
4510-300262-00
4510-300264-00
4510-300265-00
4510-300266-00
4510-300263-00
4510-300279-00
4510-300280-00
4510-300281-00
4510-300282-00
4510-300272-00
4510-300273-00
4510-300274-00
4510-300271-00
4510-300275-00
4510-300276-00
4510-300277-00
4510-300278-00
4810-000005-00
4810-000007-00
4810-000004-00
4810-000011-00
4810-000006-00
4810-000009-00
4810-000008-00
4810-000012-00
4810-000010-00
4511-030003-00
4510-060043-00
4510-060045-00
4510-240004-00
4510-240006-00
4510-240001-00
4510-240007-00
4510-070122-00
4510-290025-00
4515-000071-00
4515-000070-00
4510-290022-00
4530-000461-00
4510-290026-00
4510-290024-00
4510-290027-00
4510-170057-00
4510-010324-00
4510-010326-00
4510-010323-00
4510-010327-00
4510-020128-00
4510-100101-00
4510-100112-00
4510-100110-00
4510-100095-00
4510-100108-00
4510-090268-00
4510-090349-00
4510-090277-00
4510-090350-00
4510-090351-00
4510-090325-00
4510-090239-00
4510-090255-00
4510-090335-00
4510-090234-00
4510-090235-00
4510-090338-00
4510-090339-00
4510-090281-00
4510-090282-00
4510-090283-00
4510-090290-00
4510-090291-00
4510-090292-00
4510-090336-00
4510-090337-00
4530-000463-00
4530-000464-00
4530-000465-00
4530-000467-00
4530-000468-00
4530-000466-00
4515-000073-00
4515-000081-00
4810-000016-00
4810-000017-00
4810-000015-00
4810-000018-00
4510-090301-00
4510-080223-00
4510-080234-00
4510-080225-00
4515-000074-00
4510-080229-00
4510-080228-00
4510-080219-00
4515-000088-00
4515-000051-00
4510-240002-00
4510-240005-00
4550-180010-00
4518-200000-00
4518-200001-00
4518-200002-00
4515-000061-00
Hersteller
Alcatel-Lucent
Alcatel-Lucent
Apple
Apple
Apple
Apple
Apple
Apple
Apple
Apple
Apple
Apple
Apple
Apple
Apple
Apple
Apple
Apple
Apple
Apple
Apple
Apple
Apple
Apple
Apple
Apple
Apple
Apple
Apple
Apple
Apple
Apple
Apple
Apple
Apple
Apple
Apple
Apple
Apple
Apple
Apple
Apple
Apple
Apple
Apple
Apple
Apple
Apple
Apple
Apple
Apple
Apple
Apple
Apple
Apple
Apple
Apple
Apple
Apple
Apple
AVM
Blackberry
Blackberry
BQ
BQ
Doro
Honor
HTC
Huawei
Huawei
Huawei
Huawei
Huawei
Huawei
Huawei
Huawei
LG
Microsoft
Microsoft
Microsoft
Microsoft
Motorola
o2
o2
o2
o2
o2
Samsung
Samsung
Samsung
Samsung
Samsung
Samsung
Samsung
Samsung
Samsung
Samsung
Samsung
Samsung
Samsung
Samsung
Samsung
Samsung
Samsung
Samsung
Samsung
Samsung
Samsung
Samsung
Samsung
Samsung
Samsung
Samsung
Samsung
Samsung
Samsung
Samsung
Samsung
Samsung
Samsung
Samsung
Sony
Sony
Sony
Sony
Sony
Sony
Sony
TrekStor
TrekStor
Wiko
Wiko
Yealink
Yealink
Yealink
Yealink
ZTE
Standard
AKTUELLE BUSINESS TARIFE
Gerätetyp
Farbe
grau
weiss
spacegrau
silber
spacegrau
silber
spacegrau
silber
spacegrau
silber
gold
spacegrau
silber
spacegrau
gold
spacegrau
anthrazit
silber
anthrazit
spacegrau
silber
spacegrau
silber
spacegrau
silber
silber
spacegrau
spacegrau
iPhone 6S 128GB
silber
iPhone 6S 128GB
gold
iPhone 6S 128GB
rosegold
iPhone 6S 128GB
spacegrau
iPhone 6S 16GB
silber
iPhone 6S 16GB
gold
iPhone 6S 16GB
rose gold
iPhone 6S 16GB
silber
iPhone 6S 64GB
gold
iPhone 6S 64GB
rose gold
iPhone 6S 64GB
spacegrau
iPhone 6S 64GB
spacegrau
iPhone 6S Plus 128GB
silber
iPhone 6S Plus 128GB
gold
iPhone 6S Plus 128GB
rosegold
iPhone 6S Plus 128GB
silber
iPhone 6S Plus 16GB
gold
iPhone 6S Plus 16GB
rosegold
iPhone 6S Plus 16GB
spacegrau
iPhone 6S Plus 16GB
spacegrau
iPhone 6S Plus 64GB
iPhone 6S Plus 64GB
silber
gold
iPhone 6S Plus 64GB
rosegold
iPhone 6S Plus 64GB
spacegrau
Watch Sport 38 Alu grau/schwarz
rosegold
Watch Sport 38 Alu rose/lavendel
silber
Watch Sport 38 Alu silber/weiss
Watch Sport 38 Steel/Sportband weiss edelstahl
gold
Watch Sport 42 Alu gold/blau
spacegrau
Watch Sport 42 Alu grau/schwarz
silber
Watch Sport 42 Alu silber/weiss
Watch Sport 42 Steel/Sportband schwarzschwarz
Watch Sport 42 Steel/Sportband weiss edelstahl
rot
FRITZ! BOX6840 LTE
schwarz
Classic
schwarz
Leap
schwarz
Aquaris M4.5
schwarz
Aquaris X5
weiss/silber
Liberto 820 Mini
grau
Honor 7
grau
One A9
grau
Mate S
weiss/silber
MediaPad T1 10 LTE
weiss/silber
MediaPad T1 7.0
champagne
P8
champagne
P8+MediaPad T1 7.0 3G
schwarz
P8 lite
schwarz
Y5
schwarz
Y6
schwarz
G4
schwarz
Lumia 550
schwarz
Lumia 650
schwarz
Lumia 950
schwarz
Nokia 230
schwarz
Moto G 3. Generation
weiss
LTE Surfstick MF 823
weiss
o2 E5573s WiFi-Router
weiss
o2 Surfstick E3531i
weiss
o2 Surfstick MF667
weiss
o2 Surfstick MF710
schwarz
Galaxy A3
schwarz
Galaxy A3 (2016)
schwarz
Galaxy A5
schwarz
Galaxy A5 (2016)
gold
Galaxy A5 (2016)
weiss
Galaxy J5
schwarz
Galaxy Note 4
blau
Galaxy S III mini NFC
schwarz
Galaxy S4 mini VE
schwarz
Galaxy S5 mini
weiss
Galaxy S5 mini
schwarz
Galaxy S5 neo
gold
Galaxy S5 neo
schwarz
Galaxy S6 32GB
weiss
Galaxy S6 32GB
gold
Galaxy S6 32GB
schwarz
Galaxy S6 edge 32GB
weiss
Galaxy S6 edge 32GB
gold
Galaxy S6 edge 32GB
schwarz
Galaxy S6 edge+
gold
Galaxy S6 edge+
schwarz
Galaxy S7 + 32GB SD-Karte
weiss
Galaxy S7 + 32GB SD-Karte
gold
Galaxy S7 + 32GB SD-Karte
weiss
Galaxy S7 edge + 32GB SD-Karte
gold
Galaxy S7 edge + 32GB SD-Karte
schwarz
Galaxy S7 edge + 32GB SD-Karte
weiss
Galaxy Tab A 9.7
schwarz
Galaxy Tab S2 9.7 LTE
schwarz
Gear S2 Classic Watch
dunkelgrau
Gear S2 Watch
weiss
Gear S2 Watch
weiss
Gear VR
grau
XCover 3
schwarz
Xperia M4 Aqua
schwarz
Xperia M5
weiss
Xperia Z3+
schwarz
Xperia Z4 Tablet
weiss
Xperia Z5
schwarz
Xperia Z5
schwarz
Xperia Z5 compact
schwarz
SurfTab duo W1 3G / Volks-Tablet
schwarz
WINTRON 10.1 3G / Volks-Tablet
schwarz
Lenny
schwarz
Lenny 2
schwarz
Yealink Netzteil 5V / 2A für alle Yealink Geräte
schwarz
Yealink T42G Systemtelefon PoE
schwarz
Yealink T46G Systemtelefon PoE
schwarz
Yealink T48G Systemtelefon PoE
weiss/silber
Light 8
SIGNAL BOX M (FEMTO)
SIGNAL BOX S (FEMTO)
iPad Air 16GB (WIFI+CELLULAR)
iPad Air 16GB (WIFI+CELLULAR)
iPad Air 2 128GB (WIFI+CELLULAR)
iPad Air 2 128GB (WIFI+CELLULAR)
iPad Air 2 16GB (WIFI+CELLULAR)
iPad Air 2 16GB (WIFI+CELLULAR)
iPad Air 2 64GB (WIFI+CELLULAR)
iPad Air 2 64GB (WIFI+CELLULAR)
iPad Air 2 64GB (WIFI+CELLULAR)
iPad Mini 3 16GB (WIFI+CELLULAR)
iPad Mini 3 16GB (WIFI+CELLULAR)
iPad mini 4 16GB
iPad mini 4 16GB
iPad Pro 128GB 4G
IiPhone 5S 16GB
iPhone 5S 16GB
iPhone 5S 32GB
iPhone 6 16GB
iPhone 6 16GB
iPhone 6 64GB
iPhone 6 64 GB
iPhone 6 Plus 16GB
iPhone 6 Plus 16GB
iPhone 6 Plus 64GB
iPhone 6 Plus 64GB
o2 on
Business S
o2 on
Business M
o2 on
Business L
o2 on
o2 Business
Business XL
Pro
o2
Business
Flat Pro /
Flat Pro
100
25,20
25,20
210,08
210,08
84,03
84,03
151,25
151,25
151,25
33,61
33,61
33,61
33,61
478,98
25,20
25,20
50,41
109,24
109,24
176,46
176,46
176,46
176,46
243,69
243,69
310,92
310,92
310,92
310,92
176,46
176,46
176,46
176,46
243,69
243,69
243,69
243,69
378,14
378,14
378,14
378,14
243,69
243,69
243,69
243,69
310,92
310,92
310,92
310,92
8,39
8,39
8,39
92,43
8,39
8,39
8,39
126,04
126,04
25,20
25,20
210,08
210,08
84,03
84,03
151,25
151,25
151,25
33,61
33,61
33,61
33,61
478,98
25,20
25,20
50,41
99,00
99,00
176,46
176,46
176,46
176,46
243,69
243,69
310,92
310,92
310,92
310,92
169,00
169,00
169,00
169,00
243,69
243,69
243,69
243,69
378,14
378,14
378,14
378,14
243,69
243,69
243,69
243,69
310,92
310,92
310,92
310,92
8,39
8,39
8,39
92,43
8,39
8,39
8,39
126,04
126,04
8,39
8,39
184,87
184,87
58,82
58,82
126,04
126,04
126,04
8,39
8,39
8,39
8,39
453,77
8,39
8,39
25,20
49,00
49,00
151,25
129,00
109,00
109,00
209,00
209,00
279,00
279,00
279,00
279,00
119,00
119,00
119,00
119,00
199,00
199,00
199,00
199,00
352,93
352,93
352,93
352,93
179,00
179,00
179,00
179,00
279,00
279,00
279,00
279,00
8,39
8,39
8,39
67,22
8,39
8,39
8,39
100,83
100,83
8,39
8,39
159,66
159,66
33,61
33,61
100,83
100,83
100,83
8,39
8,39
8,39
8,39
428,56
1,00
1,00
1,00
1,00
1,00
126,04
79,00
101,00
101,00
191,00
191,00
261,00
261,00
261,00
261,00
79,00
79,00
79,00
79,00
149,00
149,00
149,00
149,00
327,72
327,72
327,72
327,72
171,00
171,00
171,00
171,00
260,00
260,00
260,00
260,00
8,39
8,39
8,39
42,01
8,39
8,39
8,39
75,62
75,62
226,88
226,88
420,16
420,16
294,11
294,11
352,93
352,93
352,93
235,29
235,29
235,29
235,29
680,66
226,88
226,88
260,50
310,92
310,92
378,14
378,14
378,14
378,14
445,37
445,37
512,60
512,60
512,60
512,60
378,14
378,14
378,14
378,14
445,37
445,37
445,37
445,37
579,82
579,82
579,82
579,82
445,37
445,37
445,37
445,37
512,60
512,60
512,60
512,60
159,66
159,66
159,66
302,51
193,27
193,27
193,27
327,72
327,72
126,04
126,04
319,32
319,32
193,27
193,27
252,09
252,09
252,09
134,45
134,45
134,45
134,45
579,82
126,04
126,04
159,66
210,08
210,08
277,30
277,30
277,30
277,30
344,53
344,53
411,76
411,76
411,76
411,76
277,30
277,30
277,30
277,30
344,53
344,53
344,53
344,53
478,98
478,98
478,98
478,98
344,53
344,53
344,53
344,53
411,76
411,76
411,76
411,76
58,82
58,82
58,82
201,67
92,43
92,43
92,43
226,88
226,88
8,39
8,39
8,39
8,39
8,39
8,39
50,41
84,03
8,39
8,39
8,39
8,39
8,39
8,39
8,39
100,83
8,39
8,39
100,83
8,39
8,39
8,39
8,39
8,39
8,39
8,39
8,39
50,41
84,03
8,39
8,39
8,39
8,39
8,39
8,39
8,39
100,83
8,39
8,39
100,83
8,39
8,39
8,39
8,39
8,39
8,39
8,39
8,39
25,20
58,82
8,39
8,39
8,39
8,39
8,39
8,39
8,39
75,62
8,39
8,39
75,62
8,39
8,39
8,39
8,39
8,39
8,39
8,39
8,39
8,39
33,61
8,39
8,39
8,39
8,39
8,39
8,39
8,39
50,41
8,39
8,39
50,41
8,39
8,39
159,66
50,41
8,39
42,01
8,39
134,45
260,50
294,11
67,22
8,39
184,87
184,87
75,62
8,39
16,80
302,51
8,39
42,01
310,92
8,39
50,41
58,82
8,39
8,39
8,39
8,39
33,61
159,66
193,27
8,39
8,39
84,03
84,03
8,39
8,39
8,39
201,67
8,39
8,39
210,08
8,39
8,39
8,39
8,39
8,39
8,39
8,39
8,39
84,03
8,39
8,39
8,39
8,39
8,39
8,39
92,43
92,43
92,43
151,25
151,25
151,25
210,08
210,08
151,25
151,25
151,25
218,48
218,48
218,48
8,39
67,22
8,39
8,39
8,39
8,39
8,39
8,39
8,39
151,25
109,24
168,06
168,06
67,22
8,39
8,39
8,39
8,39
8,39
8,39
8,39
8,39
8,39
8,39
84,03
8,39
8,39
8,39
8,39
8,39
8,39
92,43
92,43
92,43
151,25
151,25
151,25
210,08
210,08
151,25
151,25
151,25
218,48
218,48
218,48
8,39
67,22
8,39
8,39
8,39
8,39
8,39
8,39
8,39
151,25
109,24
168,06
168,06
67,22
8,39
8,39
8,39
8,39
8,39
8,39
8,39
8,39
8,39
8,39
58,82
8,39
8,39
8,39
8,39
8,39
8,39
49,00
49,00
49,00
109,00
109,00
109,00
184,87
184,87
126,04
126,04
126,04
193,27
193,27
193,27
8,39
42,01
8,39
8,39
8,39
8,39
8,39
8,39
8,39
126,04
84,03
142,85
142,85
42,01
8,39
8,39
8,39
8,39
8,39
8,39
8,39
8,39
8,39
8,39
33,61
8,39
8,39
8,39
8,39
8,39
8,39
1,00
1,00
1,00
100,83
100,83
100,83
159,66
159,66
100,83
100,83
100,83
168,06
168,06
168,06
8,39
16,80
8,39
8,39
8,39
8,39
8,39
8,39
8,39
100,83
58,82
117,64
117,64
16,80
8,39
8,39
8,39
8,39
67,22
117,64
109,24
168,06
168,06
33,61
285,71
67,22
50,41
92,43
92,43
168,06
168,06
294,11
294,11
294,11
352,93
352,93
352,93
420,16
420,16
361,34
361,34
361,34
420,16
420,16
420,16
109,24
277,30
142,85
126,04
126,04
8,39
33,61
67,22
193,27
352,93
310,92
369,74
369,74
277,30
84,03
84,03
8,39
8,39
8,39
16,80
8,39
67,22
67,22
8,39
184,87
8,39
8,39
8,39
8,39
67,22
67,22
193,27
193,27
193,27
252,09
252,09
252,09
319,32
319,32
260,50
260,50
260,50
319,32
319,32
319,32
8,39
176,46
42,01
25,20
25,20
8,39
8,39
8,39
92,43
252,09
210,08
268,90
268,90
176,46
8,39
8,39
8,39
8,39
8,39
8,39
8,39
8,39
8,39
8,39
HW Only
Raten 12
Monate
HW Only
Raten 24
Monate
46,6658
12,4992
36,3442
36,3442
59,4542
59,4542
42,6467
42,6467
51,0508
51,0508
51,0508
36,3442
36,3442
36,3442
36,3442
86,0642
33,6833
33,6833
37,8850
47,5492
47,5492
55,9525
55,9525
55,9525
55,9525
64,3558
64,3558
23,3329
6,2496
18,1721
18,1721
29,7271
29,7271
21,3233
21,3233
25,5254
25,5254
25,5254
18,1721
18,1721
18,1721
18,1721
43,0321
16,8417
16,8417
18,9425
23,7746
23,7746
27,9763
27,9763
27,9763
27,9763
32,1779
32,1779
71,4983
71,4983
71,4983
71,4983
55,9525
55,9525
55,9525
55,9525
63,0950
63,0950
63,0950
63,0950
79,9017
79,9017
79,9017
79,9017
63,0950
63,0950
63,0950
63,0950
71,4983
71,4983
71,4983
71,4983
29,4817
29,4817
29,4817
46,2883
33,6833
33,6833
33,6833
46,2883
46,2883
23,7392
29,4817
21,0783
12,6750
15,3358
9,7342
22,3392
33,6833
42,0867
16,3500
8,4733
33,6833
33,6833
16,8767
8,4733
10,4342
42,0867
12,6750
15,3358
44,0475
3,5000
16,8767
4,1317
5,5325
1,4000
1,4000
1,4000
18,1375
23,0392
22,3392
29,4817
29,4817
14,6358
42,0867
8,4733
12,6750
21,0783
21,0783
29,4817
29,4817
42,0867
42,0867
42,0867
50,4900
50,4900
50,4900
55,9525
55,9525
54,6917
54,6917
54,6917
63,0950
63,0950
63,0950
25,2800
42,0867
27,2408
25,2800
25,2800
6,9325
15,3358
18,1375
31,4425
44,7475
46,2883
48,2492
48,2492
37,8850
21,0783
19,5375
5,5325
8,4733
0,8250
8,2500
13,2500
18,2500
8,4733
35,7492
35,7492
35,7492
35,7492
27,9763
27,9763
27,9763
27,9763
31,5475
31,5475
31,5475
31,5475
39,9508
39,9508
39,9508
39,9508
31,5475
31,5475
31,5475
31,5475
35,7492
35,7492
35,7492
35,7492
14,7408
14,7408
14,7408
23,1442
16,8417
16,8417
16,8417
23,1442
23,1442
11,8696
14,7408
10,5392
6,3375
7,6679
4,8671
11,1696
16,8417
21,0433
8,1750
4,2367
16,8417
16,8417
8,4383
4,2367
5,2171
21,0433
6,3375
7,6679
22,0238
1,7500
8,4383
2,0658
2,7663
0,7000
0,7000
0,7000
9,0688
11,5196
11,1696
14,7408
14,7408
7,3179
21,0433
4,2367
6,3375
10,5392
10,5392
14,7408
14,7408
21,0433
21,0433
21,0433
25,2450
25,2450
25,2450
27,9763
27,9763
27,3458
27,3458
27,3458
31,5475
31,5475
31,5475
12,6400
21,0433
13,6204
12,6400
12,6400
3,4663
7,6679
9,0688
15,7213
22,3738
23,1442
24,1246
24,1246
18,9425
10,5392
9,7688
2,7663
4,2367
0,4125
4,1250
6,6250
9,1250
4,2367
Gesamtpreis
Hinweis
559,99
149,99
436,13
436,13
713,45
713,45
511,76
511,76
612,61
612,61
612,61
436,13 EOL und nur Restmengen vorhanden
436,13 EOL und nur Restmengen vorhanden
436,13
436,13
1.032,77
404,20
404,20
454,62
570,59
570,59
671,43
671,43
671,43
671,43
772,27
772,27
857,98
857,98
857,98
857,98
671,43
671,43
671,43
671,43
757,14
757,14
757,14
757,14
958,82
958,82
958,82
958,82
757,14
757,14
757,14
757,14
857,98
857,98
857,98
857,98
353,78
353,78
353,78
555,46
404,20
404,20
404,20
555,46
555,46
284,87
353,78
252,94
152,10
184,03
116,81
268,07
404,20
505,04
196,20
101,68
404,20
404,20
202,52
101,68
125,21
505,04
152,10
184,03
528,57
42,00
202,52
49,58
66,39
16,80
16,80
16,80
217,65
276,47
268,07
353,78
353,78
175,63
505,04
101,68
152,10
252,94
252,94
353,78
353,78
505,04
505,04
505,04
605,88
605,88
605,88
671,43
671,43
656,30
656,30
656,30
757,14
757,14
757,14
303,36
505,04
326,89
303,36
303,36
83,19
184,03
217,65
377,31
536,97
555,46
578,99
578,99
454,62
252,94
234,45
66,39
101,68
9,90
99,00
159,00
219,00
101,68
Neu
Neu
Neu
Neu
Neu
Neu
Neu
Neu
Neu
Verfügbar
Preissenkung
Preissenkung
Nur solange der Vorrat reicht
Verfügbar ab KW 11
Verfügbar ab KW 12
Preissenkung
Preissenkung
Nur solange der Vorrat reicht
Preissenkung
Preissenkung
Preissenkung
Verfügbar ab 11.3. / Pre-Order Aktion beachten
Verfügbar ab 11.3. / Pre-Order Aktion beachten
Verfügbar ab 11.3. / Pre-Order Aktion beachten
Verfügbar ab 11.3. / Pre-Order Aktion beachten
Verfügbar ab 11.3. / Pre-Order Aktion beachten
Verfügbar ab 11.3. / Pre-Order Aktion beachten
Preissenkung / Nicht Dual-Line fähig
Neu
Neu
Neu
Neu
Preissenkung
Neu
Preissenkung
Preissenkung
Preissenkung
Preissenkung
Preissenkung
Neu ab KW 10
HW
Kat.
B
B
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
C
A
A
B
B
B
B
A
A
C
C
A
A
A
C
C
A
C
B
A
C
B
C
C
C
C
C
A
A
A
A
A
B
A
C
C
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
C
C
A
A
A
A
A
A
A
A
C
C
C
C+
C
B
A
C