*Material: TPE cable+aluminum alloy plug

*Impendance：16Ω±15%

*ø10mm moving-coil speaker unit

*Wireless digital chip with pop-up window

*One-button wired control, for music and call

*TPE cable, tangle-free and easy to store

*Ergonomic design, comfortable wearing

*CTN SIZE:60*33.5*49CM