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