Shenzhen Symsta Electronics Co.,Ltd

new stereo bluetooth headphone headset earphone with best prices with handsfree function,
TF player function,Audio wired headphone Bluetooth version: 4.1+EDR
Fit for HSP,HFP,A2DP,AVRCP
Work time: 4-6 hours
Charging time: 2 hours
Working range: up to 10 m
Battery: 250 mAh
Speaker driver: 40mm
Frequency response: 20-20KHz
Impedance: 32ohm+/-2ohm
Sound pressure level (SPL): 105dB+/-3dB
Microphone sensitivity: -42dB+/-3dB
with 1xmicro USB-USB cable,1xremote control,1xuser manual