Product parameter 1.Screen size: 0.84” 2.Screen type: OLED 3.Weight: 41 g 4.Product size: 66*66*32mm 5.Battery: Lithium battery 6.Bluetooth standard: BT4.0 Product function Anti- lost alarm when the distance between your phone and the smart bracelet is beyond the Bluetooth limited receiver distance，the smart bracelet will vibration to alarm. Smart alarm clock You can set the alarm (Monday to …