STEREO HEADPHONES

HD Stereo/MP3/Headset

Wireless version: 5.0

Frequency response: 2.402-2.480GHz ISM band

Range TF card support: 128.M-32GB

Distance: 10/20m

Sensitivity: -80dBm

Mp3 sepcification

Music format supported: MP3/WAV

Slot: USB2.0

Driver unit; 40mm Diameter

Bettery capacity: 250mAh

Specification Headphone

Driver unit.40

Sensitivity: 115db S.P.L. at 1kHz

Impedance: 320mm

Mic unit: 4mm*1.5mm-42db

Rater power: 40mw

Frequency range: 20HZ-20kHz

Plug type: 3.5mm stereo