Wireless GPS Bicycle Computer 4 Satellite System ANT+ BT4.0 Waterproof 2.5 Inch Cycling Bike Speedometer Odometer

Features:
2.5 inch large screen with automatic backlight for crystal clear viewing.
4 satellite system support for faster locating and more reliable data transfer.
Speed, cadence, heart rate, and power meter sensor compatibility by ANT+ / BT4.0.
Cycling data can be sync and shared on App: 37 data and 14 analysis charts.
30 customized pages for better user experience.
Built-in 1000mAh rechargeable battery with long working time up to 30 hours.
Attention: The GPS position speed takes 30 seconds normally, but the first time positioning will take 90 seconds, and the positioning speed also depends on the weather and other conditions.