CYCPLUS M2 Cycling Bike Accessories GPS Bicycle Computer Wireless ANT+ Bluetooth Waterproof Speedometer Bikes Cyclocomputer The M2 adopts a powerful GPS active antenna, providing superior signal reception and faster positioning than ordinary passive antennas. Plus, its GPS cold boot can be completed within 1 minute, saving you time and hassle. High sensitivity GPS chip: The M2 uses a high-quality ublox GPS chip, providing higher receiving sensitivity to shorten the positioning time and improve positioning accuracy. Clear and easy-to-read screen: With a 2.5 inch screen, the M2"'"s display is easy to read quickly and clearly, whether you"'"re cycling in bright daylight or in the dark of night. Large internal memory: The M2 comes with a 16M internal memory, which can save about 3000km of cycling data, providing you with ample storage space to record and analyze your cycling activities. Advanced data synchronization: The M2 supports BLE5.0, enabling you to quickly and easily synchronize your cycling data to your mobile phone. Convenient automatic features: The M2 supports automatic power-off and automatic pause, making it easy to use and saving you time and energy. 1 year Warranty: The M2 comes with a 1-year warranty, providing you with peace of mind and customer support in the rare event of a problem. 1pcs bicycle computer