Bicycle computer Wireless Blue Tooth Bicycle

Product Name:Wireless Blue Tooth Bicycle
Function:Large Screen Display
Thin And Lightweight like A Blade
80Hours Battery Life
Speed,Cadence,Power Meter,Heart Rate
Support up to 15 Cycling Datas' Display
Configure:Adopt Bluetooth BLE4.0 And ANT Wireless
Connection Protocols
USB rechargeable, input: DC 5V, 0.5A,
A full battery life of more than 80 hours, 
SIZE:2.5- Inch Big Screen
Waterproof level:IPX5