Product information:

Noise reduction type: active
Connection method between headphones and playback devices: wired connection
Earphone plug type: U-174
Connection method between the left and right chambers of the earphones: wired connection
Battery usage time: 8 hours
Function: Sound pickup and noise reduction
Noise reduction decibel: 22dB
Material: ABS+Nylon+Sponge
Headphone category: Earphones
Noise reduction level: NRR26
Plug diameter: 7.1mm
Color classification: Black, Army Green, Camel, Brown, Green, Black

Packing list:

Earphones * 1pcs