... USB can charge cell phone, MP3 and so on.6, With handle for convenient carrying for indoor or outdoor usageAdvantages1, 100 ... 24 hours4, 3 placeing modes, handheld, hanging, putting5, Handly, convenient and easy to use, durable6, Nice design, competitive price, high quality7,USB ... can charge cell phone, MP3 and so on.8, Protect environment.9, OEM, ODM Application1 ...