BENICE Latest Multi-Functions Fitness Pedometer Sports Bracelet Bluetooth Smart Watch Sleep Monitoring Calories Track Activity Tracker work for Android and IOS Attention:TW64 is a normal version,without heart rate monitor. Fitness tracker: Keep track of your daily activities (steps, sleeping quality, calories, distances). You can set colcks with slitly vibrate (wake up time, meeting time, dating time etc.) take control of your life. Smart band: Set the notification source (Call, Message, weichat etc.) that you will get caller ID and read the message on the band. All the functions you can set by yourself. USB charging: Remove the strap, you can connect it with your computer or USB port to charge. It is so convenient. And 97 hours standby design make your outdoor life more expecting Live waterproof: You can wear it washing hands, walking in the rain, but do not wear it when you swimming or surfing.