1. Compatible with all items with USB charge connecter, including iPod, MP3, Zune, cellphone and so on. 2. Multi-protection, 1. Compatible with all items with USB charge connecter, including iPod, MP3, Zune, mobile phone and so on.2. Multi-protection, safety guaranteed3. LED working indicator4. Different country standard plugs5. Input: AC 100-240V 50-60Hz Output: DC 5V/ 500mA