Bluetooth Headset, BDKING Wireless Earpiece Hands Free Ear Hooks HD Stereo Noise Cancelling Headphones Business Earphones in-Ear Earbuds and Noise Canceling Mic for Business/Office/Driving Call

Feature? Double-click on the boot button to replay the last number, and it can be easy to dial back when exercising, which is convenient and practical. Play music, music up and down music switch. Volume adjustment Call voice number function. The last redial. IOS system shows the power. Specifications: Bluetooth Protocol: A2DP AVRCP HFP HSP Battery: 3.7V 60mAh charging power: 5V / 80mAh Sensitivity: 103db /- 3dB Impedance: 16Mw Transmission distance: accessibility 10m Frequency: 2.4GHZ standby time: about 96 hours Product Weight: 14g Technical specification: 1. Bluetooth version: 4.1 2. CVC 6.0 noise reduction 3. Talk time: 5h 4. Music time: 5h 5. Standby time: 130 hours 6. Charging time: 1.5 hours 7. Sensitivity: 103db /- 3dB 8. Impedance: 16Mw 9. Mic: Yes 10. Sensitivity: -38db /- 3dB Package Included: 1*Headphone 2*Earbuds 1*Charging Cable 1*Manual