... 503mA;11.Storage Temperature: -20 ° C-80 ° C;12.Product accessories: USB cable.Function Introduction1.This product is suitable for sports ... rid of troubles of theline, enjoy portable, lightweight, stylish, trend, new, unique, fun, high-fidelity sound !3.Stylish and cool wireless ... feel comfortable and easy in the long time too. 2012 new Sports MP3 wireless earphone/headphone