This smart bike computer with big screen can display rich cycling data in real time and synchronize to mobile App, great choice for cycling enthusiasts. Features: Ultra-thin design with 2.6" crystal clear and anti-glare large screen. 5 satellite system support for faster and stronger signal. BT5.0/ANT+ for faster and reliable data transfer. Compatible with heart rate, speed and cadence sensors. Easy to operate by setting functions on App and share your cycling data. More than 10 automatic control functions for added convenience. With smart notification, you'll never miss important phone calls during rides. Built-in 600mAh battery with Type-C fast charging can run up to 40 hours. IPX7 waterproof, no worry about rainy days. Specifications: Screen: 2.6" Data Storage: 250 hours Wireless: BT5.0/ANT+ Battery: 600mAh Battery Life: 40 hours Waterproof: IPX7 Dimension: 86.7 * 51 * 14.9mm Weight: 67g Package List: 1 * Bike Computer 1 * Computer Mount Holder 1 * User Manual