ROCKBROS M1 GPS Bike Computer ANT+ Bluetooth Bicycle Computer Mini Speedometer Odometer •Equipped with four satellite positioning systems,our bike computer offers higher sensitivity,greater accuracy,and faster positioning. The navigating chip ensures reliable GPS signal tracking of your route •By connecting the bike computer to your phone via Bluetooth,your journey is seamlessly synchronized with the app,allowing you to review the exact route you've taken for your ride •Supports simultaneous recording of various data,including speed,cadence,heart rate,power,route traveled,altitude,and more •Features a glare-free backlit 2.9-inch screen,ensuring high visibility even in bright sunlight •IPX6 waterproof,it is designed to withstand rain and can be used in any weather condition •With a 1200mAh battery and our quick-charge chip,our bike computer offers fast and efficient charging. The battery can be fully charged in just 3.5 hours,providing a remarkable sustained working time of up to 35 hours •Specifications: •Material: ABS •Screen size: 2.9'' LCD •Product size: 90*53*20mm •Weight: 83g (excluding protective case) •Battery: 1200mAh 3.7V •Memory capacity: 150h/16M •Charging port: Type-C •Battery life: about 30-35 hours •Charging time: about 3.5 hours •Bluetooth: 5.0 •Peripheral connection: ANT+ •Peripheral support: Speed sensor,cadence sensor,heart rate monitor,power meter •Waterproof rating: IPX6 (can be exposed to rain,not submersible) •Automatic backlight: Supported •Automatic time calibration: Supported Package included: •1 x GPS Bike Computer •1 x Base Stand •1 x Charging Cable •3 x O-shaped Rubber Ring •1 x Silicone Protective Cover •1 x English and Chinese User Manual