2.4G Hi - Fi Wireless outlook design stereo Retractable Bluetooth Headsets noise reduction

Specification:

1)     Frequency Range:2.400 - 2.483 GHz

2)     Working Frequency:2.406 - 2.472 GHz (WLAN Hopping) 

3)     frequency response: 30Hz-15KHz 

4)     Signal to noise ratio: 55dB 

5)     R/L channel separation: 45Db

6)     THD: <=0.8%

7)     Battery:2*AAA (not included in package)

8)     power supply (headphone): Inner Li-ion battery 3.7V 450mAh

9)     Sensitivity of Receiver: ≤-75dBm

10)Transmission range:10m(in the room)

11)THD: <=0.8%

12)Headphone Receiver: 170g Extra Micphone:2g 

Headphone Receiver:166x105x54mm

Micphone:43mm(Length), 8mm(Dia)

Description:

The new outlook design and latest technology 2.4G stereo Hi-Fi wire-less headphones. New enjoy of beautiful sound. The transmission rate is industry leading 1:1 transmission Adopt digital circuit and imported chip, strong anti-interference ability high fidelity, the transmission range is up to 50 meters in open space. Can continue to use for 6 hours by rechargeable lithium battery.

with Mic