Bluetooth Wireless Headphone Specifications:

1.Chip: JR
2.Wireless Distance Range: 10M
3.Bluetooth Version: V3.0
4.Frequency Response: 20HZ-20KHZ
5.Battery: 500mAH
6.Profiles Supported: HSP/HFP/A2DP/AVRC
7.Charging Time: 1.5 Hours
8.Period of stand by: 300 Hours
9.Period of conversation and playing: 12 Hours 
10.Impedance: 32Ω±15%(at 1KHz)
11.Voice chat/Voice prompt/AUX input: Supported 
12.Speaker Dimension: 36mm
13.With microphone function
14.Microphone Dimension: 4*1.5mm
15.Microphone Sensitivity: －45dB±3 dB

Bluetooth Wireless Headphone Main Features:

1.Built-in microphone for hands-free phone calling
2.40mm drivers for wide frequency response
3.Comfortable around-the-ear design with sophisticated swivel design for portability
4.Private label On ear wireless bluetooth stereo headphone with mic from China factory, for Cell Phones Iphone 7 7Plus 6s 6 6 Plus 5s 5c 5 4s 4 Ipod Touch Ipad Air 5 4 3 2 Mini; Samsung Galaxy S6 S5 S4 S3 Note 4 3 2 Tab 3 and More Smart Phones Tablets