Features1Support multiple route planning methods, imports to the mileometer with one click, and never get lost when riding. 2Compact size and light weight, won't bother your riding. 3Fully fitted screen to prevents fogging inside the mileometer. 4Rich Cycle data, supporting customized display. Automatic backlight at night, adjustable in three gears. 5Fivestar positioning, faster and more accurate, Beidou+GPS+GLONASS+GALILEO+QZSS, selected fine quality positioning chips, supporting AGPS quick auxiliary positioning. 6Supports binding multiple sensors, each ride, and automatic connection. 7USB rechargeable design, large capacity battery, long working time. 8Through APP, the mileometer can synchronously display phonecalls, text messages, and APP push informations. And functions of the mileometer can be set through the app. 9Support multiple automatic function settings, including automatic recording, automatic pause, automatic shutdown, and so on. No need to operate the mileometer during riding.SpecificationSpecifications: Main color: black Material: plastics Battery: 3.7V, 500mAh BT: 5.0 Proof: IPX7 Screen size: 2.5in Item size: 88 * 59 * 19mm / 3.5 * 2.3 * 0.7in Item weight: 67g / 2.4ouncePackage List1 * Mileometer 1 * Rope 1 * USB Cable 1 * Bracket 1 * User Manual