SMA B2 USB Charging Smart Watch Bracelet with Hear Rate Monitor - Green Controllers ALLCALL W2 can automatically identify

ALLCALL W2 can automatically identify the type of exercise and ball type

you are not suggested to adjust volume of your car speaker to maximum (this will bring lot noise)

providing consistent autopilot and manual override mixing modes 6

Total current output: 5V 18A

SMA B2 USB Charging Smart Watch Bracelet with Hear Rate Monitor - Green Controllers ALLCALL W2 can automatically identifyColor Green Model B2 Quantity 1 set Material TPU Water proof IP67 Bluetooth Version Bluetooth V4. 0 Touch Screen Type AMOLED Operating System Android 4. 4,Android 4. 4. 1,Android 4. 4. 2,iOS Compatible OS Android 4. 3 iOS 7. 0 and above system Battery Capacity 80 mAh Battery Type Li polymer battery Standby Time 300 hours Packing List 1 x Smart Watch 1 x Charging Cable 1 x English User Manual Dimensions: 9. 06 in x 0. 79 in x 0. 39 in (23. 0 cm x 2. 0