Color Black Brand RQ Model RQ-04 Material Silicone + alloy Quantity 1 Piece Shade Of Color Black Bluetooth Version V3.0 Operating Range 10 metres Standby Time 80 Hour Applicable Products IPHONE 5IPHONE 4OthersSamsung HTC Mi Sony Nokia Lenovo Smartphone Battery Type Li-ion battery Built-in Battery Capacity 250 mAh Plug Specifications OthersUSB Power Supply DC 3.7V 1A Other Features 1. Bluetooth Compliance: A2DPAVRCP HFP and HSP; 2. Standby Time: 80 hour; 3. Talk time: 6 Hour; 4. Music play time: 2~3 Hour; 5. Screen size: 37mm x 23mm; 6. When the phone ring Bluetooth watch will show the caller number and the bell remind function. 7. HFP (speaker) HSP (headphones): When the phone ring only need to press a Bluetooth watch button the watch itself with the receiver can hear callers telephone also with a microphone function just speaking into the Bluetooth watch directly the caller can hear your voice. 8. Replay the last number function: mobile broadcast the last number such as need to dial only need to press the Bluetooth watches a button then redial. 9. Music: Mobile phones play music Bluetooth watch will also play music Packing List 1 x Bluetooth watch 1 x USB cable (70cm) 1 x English user manual