1.Compatible with all phones with Bluetooth.

2.Vibration prompt for incoming phone.

3.Can reject the call by long pressing the function key two times.

4.With durable and adjustable rubber strap to fit different size wrists.

5.Notify by vibration that your mobile phone may be lost when distance  over 10m(32ft) with

the phone.

6.Built-in rechargeable lithium-ion polymer battery.

7.With LED indicator.

8.Long standby time, up to 90 hours.

9.Specially design for business people, senior people, fashion crowd,  tourists, etc.

10.It is beautiful, fashionable, and portable.