CP0268W Features Supports standard USB port Freely talk with your friends with the equipped microphone Has a super bass sound effect General Specs Brand & Model OVLENG Q8   Type On-ear headphones Microphone Yes  Sensitivity 104±2dB S.P.L at 1KHz Speaker Size 40 mm Impedance 32ohms Frequency Response 20-20000Hz Plug Standard USB Cable Length 1.8-2.2 m Compatibility PC and cell phones Package Details Weight: 404.46 g Size: 23.00*21.3*8.5 cm Package Includes * OVLENG Q8 USB Port Super Bass On-ear Headphones with Microphone