1.Interface method: USB2.0 2.Certificate standard: CE, FCC,rosh ... source: Electric· Input voltage: 5V· Interface method: USB2.0· Certificate standard: CE, FCCCompatible Phones Include:SE01-Sony EricssonC702 ... ,Prism-series,6500 Classic Motorola Vorager 855 stereo bluetooth headsetSA01-Samsung SCH-F609,SCH-F639,SCH-S209, ... ,EM30,K1,L7,L72,maxx K3,maxx V3,U6,Ug,V3,Blackberry 8300,8310,Pearl 8120,Bold 9000 ...