100% brand new and high quality

Powerful stereo sound
Good attenuation of ambient noise
Rich ， crisp bassresponse
Lightweight and comfortable to wear
Specifications:

Speaker Diameter:φ40mm
Impedance:32ω
Headphones Frequency response: 20-20，000Hz
Receiving range: 10m， 360 degrees， automatic code
Modulation: GFSK， Volume+ -;Previous song， Next song
SNR : <75dB
Distortion: < 0.1%
Carrier Frequency : 2.4GHz
Built-in rechargeable battery / USB sound card (not included)
Audio Cable Length:155cm (Approx.)
USB Cable Length: 104cm (Approx.)
Plug Type:φ3.5mm Stereo
Color: Yellow，Black
Note: Due to the difference between different monitors， the picture may not reflect the actual color of the item. Thank you!