Product information: Type: wireless Headphone type: Other Wearing method: head-mounted Headphone output source: general Plug diameter: wireless Whether wireless headset: wireless headset With or without microphone: Yes Sounding principle: ring iron Frequency response range: 20-20k (Hz) Impedance: 32 (Ω) Sensitivity: 120+3db at 1KHz; 1mW (dB) Speaker diameter: 40 (Φmm) Earplugs/earmuffs material: all-protein leather Purpose: general purpose, ordinary earphones, computer earphones, music earphones, game audio and video earphones, gaming earphones Weight: 310 (g) Processing method: OEM processing Size Information: Single product packaging: neutral English packaging-21.2*11.5*19 cm / 600g Packing list: Neutral English color box + 7 languages manual *1