Color classification: black blue black green
Plug diameter: 3.5mm
Headphone output source: portable audio and video
Connection method: wired connection headset and playback device
Connection method: wired connectionDriver: 40mm diameter

Impedance: 15% 32 ohm ±
Sensitivity: 105db + / - 3dB 1kHz
Frequency range: 15hz-20khz
Size: 6 × 5.0mm MIC
Microphone sensitivity: -38 dB + / - 3dB
Microphone impedance: 2.2kohm
Directionality: all-round
Cable length: about 0.15 2.1m ±
LED operating voltage: DC5V ± 5%
Working current: 100ma below.
Headphone jack: 3.5mm (4pin) + USB (USB LED light)
Headphone size: approx.95 * 215 * 3.7 * 8.5 * 8.1in 205mm
Packing size: 213 × 200 × 105 mm / 8.4 × 7.9 × 4.1 in
Package contents: 1 * GM-1 headphones