Features: Using high-performance GPS chip and 4 satellite positioning systems, it has higher receiving sensitivity, which helps to shorten positioning time and improve accuracy. 2.5 inch high-clear display, with backlight, anti-dazzle, easy to see the screen information quickly and clearly during the day or night; Built-in 1000mAh large-capacity battery, low power consumption, one full charge can stand by for more than 30 hours, supporting long-term riding. It supports the ANT protocol, and can wirelessly connect external sensors to record rich data information such as speed, heart rate, cadence, power, mileage, altitude, temperature, etc. Supports data synchronization by connecting to the App via BT, you can bind the Strava account on App, and automatically synchronize the data to the Strava account. Built-in 16M memory, the bike computer can save about 3000km or 150 hours of riding data. Circular appearance design is more matched and coordinated with the bicycle. IPX6 waterproof design, can be used normally even in rainy days. Specifications: Color: Black Material: PVC Screen Size: 2.5 Inch LCD Screen BT Version: BT4.0 Connection Protocol: ANT+ Battery: Built-in 100mAh Lithium Battery Interface: Type-C Memory Capacity: 16M Battery Time: 30-35 Hours Charging Time: 3.5 Hours IP Rate: IPX6 Item Size: 69 * 69 * 22mm/ 2.7 * 2.7 * 0.9in Item Weight: 68g/ 2.4oz Package Size: 130 * 93 * 50 mm/ 5.1 * 3.7 * 2.0in Package Weight: 200g/ 7.1oz Packing List: 1 * Bike Computer 1 * USB Cable 1 * Mount 1 * Rubber Mounting Pad 3 * Rubber Band 1 * User Manual