Features: Wireless measure and record your health date via the APP MyWay Fit. Record day activity including steps, distance, calories burnt, and time. Auto sleep tracking including deep and light sleep time, disrupted or likely awake time. Show day activity reports weekly, monthly and yearly in graph on the free APP. Show sleep records daily, weekly and monthly. Upload you activity and sleep data to fully record your health condition. A single charge lasts for 5 to 7 days. Rechargeable with the USB charging cable provided. Compatible with smartphones with either Android 4.3 and above or IOS6 and above and with BT4.0. Come with a wrist band and a charging cable. Great for gift giving and everyday use. Note: Please read the manual carefully before you operate it.