Listen to music and make phone calls, and support listening to music and making phone callsCaller ID number, last code call, full intelligent English prompt tone, startup, pairing, shutdown, low battery, etcEvery time the headset is connected with the mobile phone, the headset will automatically connect back to the mobile phone when it is turned on, which is convenient and fast.Smart compatibility: support all mobile phones, tablets, notebooks, devices and all mobile phones with functionsProduct parameters:1. Version: 5.0 Bluetooth protocol version (automatically paired together)2. Transmission distance: Outdoor straight-line distance 10-15 meters3. Battery capacity: 60mAh polymer lithium battery4. Charging box battery capacity: 400mAh5. Listen Music time: 2-3 hours (pause/play)6. Talk time: 2-3 hours (answer/hang up7. Standby time: 100 hours8. Charging time: 1 hoursize:12cm x 8cm x 3cm Material:PVCcolour:Black / Blue / Green / Pink / WhitePackage Contents:1 pair x bluetooth earphones1 pair x rechargeable batteries1 pair x ear caps1 x Chinese and English manual1 x charging cable1 x color boxOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.