MT0425B Features Wireless Bluetooth bracelet Helps to reduce radiation while answering calls Allows you to conveniently answer calls or listen to music while doing sports or driving Supports anti-lost function， comes with vibration function when the phone is 10-meter far away from the bracelet Supports incoming call number & name display Vibrating when your call in coming， it won't let you miss any call One button to answer calls Comes with SMS tone alert Supports LED time display Can also be used as a bracelet General Specs Brand & Model BT08   Type Bluetooth bracelet Bluetooth Version V2.0， V1.1， V1.2 Bluetooth Profiles Hands-free and music player Working Frequency 2.4GHz Compatibility Bluetooth enabled cell phones Package Details Weight: 236.47 g Size: 16.5*10*5.3 cm Package Includes 1 x Charging Clip，1 x User Manual