Function: 1. Charging for each kind of brand cell phone.( Nokia, Samsung, Motorola, Sony Ericsson, Siemens, LG, Blackbarry ,Iphone and so on). 2. Charging for digital equipments. For example: Digital camera, PDA, MP3, MP4, IPOD and so on. 3. Charging for the palmar game players. For example: SONY PSP, GBA and so on. 4. Charging for each kind of brand laptops (SONY, LENVON, NEC, IBM, SEMSUNG, BENQ, ASUS and so on).