... Material-seamless steel tube+plasticMain Features1. Mini portable design with built-in 450mAh Lithium battery, unit size L60*W60* ... hrs10.power indicator ight:blue light11.drive:40mm, 4R,3W12. Works with Mobile Phones, MP3/4, Portable CD/DVD players, iPhone, ... etc.13. Various colors availablePacking details:in blister packing with inlay card, 20pcs/CTN,Meas:42x29x32cm,GW:5KGS Fashionable Wireless ...