Standard as CE FCC UL ROHS
Stardard colour:White / Red / Blue / Black / Yellow / Orange / Purple
We can also put your logo on it. Welcome OEM/ODM.
1)Canbeworkforiphone/ipodMP3/4/Mobilephone
2)compatiblewithSD/MMCcard
3)BuiltinLi-battery
4)WithFMradio
Input:5VOutput:3.7V-1000mA
Speakerunit:2W*2
Outputpower:2W*24Ohms(1KHz10%THD)
Frequencyresponce:275Hz-20KHz
3WELLStandardPacking
Customizeddesignisavailable