Nacodex® Original Huawei® B1 Talkband Large Bluetooth Headset with Activity and Sleep Tracking Smart 【 New in Box 】Compatible Devices:huawei: Mediapad X1/ M1/ Ascend P7 P6/p6s/mate/mate2/y530/y330/y300/g730/g610/y600/g6/b199/honor 3c/honor 3x/honor 6/p1/p2/g510/g630/d2(u&c&t)/ Mate(u&c&t)/honor 3/u8860i/c8813d/g716/g526/c8816d/g520/y516 Iphone: 5s/5c/5/4s/4 Samsung: Galaxy S5/s4/s3/note 3 Lte/note 2 Meizu: Mx3/mx2 Xiaomi: Mi2/mi3/redmi Zte: U5s/n5s Oppo N1/ Vivo X3t Lg: Lg G2(d800) Sony: Xperia Tl/xperia-z2/xperia C S39h/xperia T2 Ultra 4g/xperia M2 Htc: One 802w/x920e/d816w/desire 610/one(m8)

【More info】：http://consumer.huawei.com/minisite/worldwide/2014mwc/TalkBandB1.html
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New in box unopened.

Colour - Black
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Size
Height
247.5mm(L)
221.5mm(S)
Width
19.3mm
Depth
14.6mm
Weight
26.2g (Headset:9.4g;Band:16.8g)
Compatible Devices
HUAWEI: MediaPad X1/ M1
HUAWEI: Ascend P7/P6/P6s/Mate/Mate2/Y530/Y330/Y300/G730/G610/Y600/G6/B199/Honor 3C/Honor 3X/Honor 6/P1/P2/G510/G630/D2(U&C&T)/ Mate(U&C&T)/Honor 3/U8860I/C8813D/G716/G526/C8816D/G520/Y516
iPhone: 5S/5C/5/4S/4
SAMSUNG: Galaxy S5/S4/S3/Note 3 LTE/Note 2
MEIZU: MX3/MX2
XIAOMI: Mi2/Mi3/Redmi
ZTE: U5S/N5S
OPPO N1/ vivo X3T
LG: LG G2(D800)
SONY: Xperia TL/Xperia-Z2/Xperia C S39h/Xperia T2 Ultra 4G/Xperia M2
HTC: One 802w/X920E/D816w/Desire 610/One(M8)
Connectivity
Bluetooth 3.0
NFC fast pair
Calling Quality
Dul-mic reduction
Battery
90mAh
Display
1.4-inch flexible OLED
Working time
6 days (Depend on wireless call usage time)
Standby time
14 days (BT connection off)
Charging time
Less than 2 hours
Button
Single button control
Interface
Standard USB charging (On band)
Sensors
G-sensors
IP57
Water and dust resistance
OS
Android 4.0+
IOS5.0+