I6 Stylish Anti-lost Bluetooth 4.0 Smart Bracelet Watch Smart Bracelet Black which features high technique and excellent performance. Designed with bracelet type, this Bluetooth watch is very convenient to use that you could operate your phone's main functions which are available on your wrist. With this smart bracelet, you could easily answer or reject calls. In addition, if you phone moves out of range, this smart bracelet will vibrate indicating it is on the move, which will ensure against theft or loss.