XNFit The Clip Activity Tracker - Sleep Tracker - Pedometer Amazing product to track your steps, time in motion, calories burnt and distance travelled. Use is sleep tracking function to test the quality of your sleep. With performance graphs to see how you compare with previous days. Product will last around 5-7 days on one charge due to its high performance on board battery. This is easily recharged via USB cable. Simple and intuitive windows pc application, just install the application, plugin the device and see your data in easy to read graphs. Product comes with Windows PC application, USB charging/Data cable, manual, sleep wrist strap. Product is around 6cm long so very discreet and easily clips on bra, belt or sleeves. The product has a 15 day memory storage limit, a top of the range OLED display with precision performance. Easily switches modes via a single button. Includes innovative 3d acceleration sensor with full 360 degree sensitivity.