Compact and lightweight design We spent 1,000 hours driving down the display size of BC107 to 2.4 inch for the compact design, leaving no wasted space whatsoever. Engineered with simplicity and convenience at its core, lightweight Chassis with wrapped in a glass-filled ABS and TPU, making it both robust and light. 2.4-inch segment code FSTN glass screen, sunlight readable display, automatically sensing the environment to turn on the backlight. It is a screen thats ready for any adventure. GPS and BEIDOU Positioning BC107 has 2 modes of global positioning (GPS/GPS&BEIDOU), which can provide accurate GPS data all over the world. After power on, it will automatically capture GPS and Beidou signals and automatically calibrate the time. You can also close GPS for indoor cycling. ANT+ Sensor Compatibility Built for both budget and convenience, BC107 maximizes compatibility by working perfectly with ANT+ sensors, such as: heart rate monitor, speed and cadence sensor, power meter. Note: BC107 only supports ANT+ connection and does not support Bluetooth connection for the time being. Sync To Strava You can sync activity(.fit file) to Strava via Coosporide App on your phone. Note: you can not upload .fit file directly to Strava by USB transmission on your PC. CoospoRide APP Support By using CoospoRide App, you can set BC107 very easily on your phone, such as: quickly connect and easily set the device, load GPS track route map, record and analyze cycling activity records, update the latest firmware and so on.