Wireless IR earphone 1. Foldered Deisgn, save space and easy stored. 2. High quanlity material, comfortable for wearing. Main feature:Wireless IR earphone1. Foldable Design, save space and easy stored.2. High quality material, comfortable for wearing.3.Avialble for recharging battery with USB connector4.Avialble for dual chanel/ Signal chanel function optional.Technique spec:Transmitting mode: ...