Toprime&reg; X6 Touch Screen Wireless Fitness Tracker Black 1.Live waterproof IP65,Storage and Sync data accurately,Wireless Bluetooth,14 days Standby design make your outdoor life more expecting 2.Multi Function: Tracks steps, distance, calories burned and active minutes,Monitor your sleep,Long-sitting alarm,24&12 hours mode and so on.Comfortable and User friendly 3.Works with many APPs,such as "Toprime""Smartband""Vidonn" "GNC"etc.According to the manual,easy to download and use.Better to see your sports status and more interesting with stranger and Friends have a closer relationship. 4.Any questions please contact us directly,do not return it to Amazon,if we can't solved, we will return and refund all to you,thank you in advance.We promise:30 days return or exchange;1 year warranty;12 hours reply your messages;24 hours solve your problems 5.We are designers,and manufacturers,With our professional service, credibility,take to you satisfaction.