Features Accurate Real Time GPS Positioning NAV, which can store 1000 hours of riding records, supports GPS+GLONASS+QZSS. Route planning & map navigation NAV can perform offline navigation by reversing the routebook, and it supports map navigation, letting you see the riding track on the map page. You can pinpoint your position while riding, which will bring you a lot of convenience.Every route you ride can be fully displayed by ReAR video. IPX7 Waterproof & 33 hours of battery life IPX7 waterproof can make NAV work normally in rainy days. It supports up to 33 hours of battery life (40 hours in low power consumption mode) for your daily use. It is designed with 4 buttons for easy operation. Rich customized dials & easy switching of sports mode NAV has up to 6 dial settings, supports 17 layout designs, and it can display 39 types of data, which you can set on XOSS APP according to your preference. NAV supports multiple sports modes such as cycling and indoor cycling. Bluetooth/ANT+ App Connection NAV can connect heart rate, speed/cadence sensor, power, etc. With peripherals, you can quickly connect and easily set up the device, load the GPS track roadmap, record and analyze the cycling activity records. Specifications: -Size: 88 mmx55 mmx19 mm -Weight: about 59g -Screen: 2.4 inch -Resolution: 240x160 -Battery: 600 mAh rechargeable lithium battery -Working temperature: -10~50 -Waterproof level: IPX7 -Battery life: 33 hrs in standard mode; 40 hrs in low power mode (affected by usage environment and temperature) -Charging interface: USB TYPE-C -Warranty: 1 year Offline Navigation Fast Positioning Custom Display Support indoor and outdoor training 33+ Long Battery Life IPX7 waterproof XOSS APP Supports