AUSDOM F01 wired headphones Features: High quality, economical and over-ear stereo headphones provide your superior audio experience. With soft leather ear cups and wrap around wearable design, AUSDOM wired headphones support hands-free, nice beats and sound. Featuring comfortable wearing long and full size adjustable, the durable headphone with inline MIC is customized for easy carrying. Lightweight design allows you to listen to your music anywhere you go without having the bulky heavy feel. Specification Sensitivity: 423dB Driver Unit: 40mm Degree of distortion: Below 0.3% Working temperature: -10-50 Storage temperature: -40-60 Cord length: 1.2m Plug type: 3.5mm stereo Mic Spec Microphone Type: Capacitive Microphone Unit: 4.15mm S.P.L: -582dB S.P.L at 1Khz Impedance: 1.4K Frequency response: 100Hz-10,000Hz Directivity: Omni-directional Speaker Spec Speaker diameter: 10mm Frequency response: 20Hz-20KHz Impedance: 32 S.P.L: 953dB S.P.L at 1KHz Item weight: 194g Shipping weight: 422g Dimensions: 187mm*176mm*32.6mm Package included: 1 Full-size stereo headphones