1)2speakers:2 Drives 10mm
2)Impedance:32ohms
3)Sensitivity:110DB+/-3DB
4)Frequency Response:20-20KHZ
5)Cable Length:120cm+/-3cm
6)Plug: 3.5mm
7)Shell: Environmental Friendly Wooden/Solid Metal Shell Cool Texture
8)Ear Tips: Silicone multi-colors and S/M/L options
9)Cable Material: PVC/PU/TPE/Fabric/Aluminum foil options