Model:DM-2560; Type:Headphones (Headband); General Use:Mobile Phone,Media Player/Tablet; Function:Noise-Cancelling; Communication:Wired; Connectors:3.5mm; Memory Capacity:None; Material:Plastic; Color:Blue,White,Black,Red; Dimensions (cm):17.86.517.5; Weight (kg):0.195; Speaker Sensitivity:94dB S.P.Lat 1KHz; Speaker Impendance:32±15% ohm; Speaker Frequency Response:20~20000Hz; Plug Type:3.5mm; Cable Length:1.2m