WIRELESS HEADPHONES P47WIRELESSH Bluetooth Headset  (Over the Ear)

Bluetooth Version: Bluetooth 4.1 + EDR Frequency Response: 20-20,000Hz Transfer Distance: 10M Talk Time: 8 hours Microphone: Built-in Low Battery Notification: Yes Music Playing Time: 4 hours Standby Time: 120 hours Rechargeable Lithium Battery 300mAh Changing time: 2 - 3 hours 1. Channel stereo, Bluetooth Headphone 2. Function: support for music, voice control, call , power display 3. Collapsible telescoping, Bluetooth connectivity, card player, voice calls, radio broadcasts, stereo sound quality is good, more support for all 3.5 audio playback device, a multi-purpose machine. 4. Wireless Bluetooth Headphones, Bluetooth V4.1 with Microphone 5. Noise reduction technology: DPS digital signal processor 6. Support A2DP function 7. AVRCP remote control capabilities 8. Supports automatic switchover to incoming call function 9. With the end number redial function 10. Large and small volume adjust 11. Forward backward selections feature pause function Show Less