Specifications: Name: XOSS G+ Smart GPS Cycling computer Size: 48x75x19mm Product Weight: 52g Operating temperature: -10?50? Battery: 500mAh Rechargeable lithium battery Battery life: 25 hours Waterproof Rating: IPX7 ANT+ Support: speed sensor, cadence sensor, speed & cadence sensor, heart rate monitorWhat's in the Box: 1 x XOSS G+ computer 1 x computer Mount 1 x Micro USB cable 1 x mount rubber pad 1 x rubber bandQuick Q&A Q: Are there include sensors? A: No, ONLY bike computer. Q: No way to mount? A: We packaged the universal mount, please kindly advise what type of mount your are currently use if you can't mount the bike computer. install video link: https://youtu.be/0ftOBcBJ40c Q: No way to create an account for XOSS app? A: Please send us a screenshot of what?s message display about can?t create accounts, or please try more complicated passwords. Q: Can't connect to the XOSS app? A: Make sure the XOSS app Bluetooth authorization opened in your phone setting. Restart the bike computer, then click "connect". The most important point: open the Bluetooth authorization in XOSS app. Q: Can't sync data? A: It can't sync data If you don't click "stop sport", but if you still can't sync data after you click "stop sport", try to unbind the bike computer and then rebind. And check your phone signal is normal or not? you can open the flight mode and switch to normal mode to refresh the signal. Q: No GPS signal? A: 1. Make sure to search for the GPS in an open area (no cover on your head) and press the left button "Start"; 2. If it still doesn't not successful, connect the XOSS APP to restore factory settings and try again. If that doesn't work, please help to take a video to see if there is a mistake about the operation and back to us here. Operate Video Link: https://youtu.be/wNcEnyZHbSg