... USB, Ipod/Iphone, Samsung, Nokia, LG, etc1.Dual USB ouput Interface,can charge for two digital products at the same time. 2 ... PCB updated to the best, very stable, Our PCB Functions: (1) Overcharge protections (2) Over discharge protections (3) short-ciruit protections ... refunds are offered. Only defective goods are offered exchange within 1 month since goods deliveredb. All items required exchange or ...