

100% brand new and high quality.
Bluetooth synchronize phone APP, recording currant riding data.
Record data of the line, time and transmit the speed and pedal speed and etc.
IP67 waterproof grade, you can enjoy your riding with it even in rainy days.
To make your riding trip safer and funny.
Specifications:
Material: plastic
Color: black
Size:21*21*8mm
Battery model: CR1632
Function: waterproof
Battery capacity:120mAh
Work time: 90hours
Voltage:3V
Phone Requirement: Support Bluetooth 4.0
Package included:
1 x Sensor
2 x Magnet
1 x Assemble Accessories Set