CoolChange 2.8'' Wired Bicycle Computer Waterproof Odometer Bike Measurable Cycling Stopwatch Speedometer Eyepiece with FMC blue film

Eyepiece with FMC blue film

WiFi real time transmission makes you enjoy the beautiful scenery at the first time

4G Support Language: Multi-language

as well as Bluetooth sign

Vibration (Mute) detection

CoolChange 2.8'' Wired Bicycle Computer Waterproof Odometer Bike Measurable Cycling Stopwatch Speedometer Eyepiece with FMC blue filmProduct Features: 2. 8 inch large screen for 4 parts showing data, no need to push button frequently Allow two sets of wheel diameters and other data for bicycle A and bicycle B Night light feature with high brightness light source for a clear view of all data during your night trip Length unit options of kilometer mile Low battery indicator for you to know the working conditions of the odometer Bicycle oil maintenance reminder to secure your