1.For Mp3 2.Support SD card /USB,FM radio 3.Any logo avaialbe 4.CE,FCC,ROHS approved. 5.Color: red/blue/black Production Features and Description--1.Output power-- 2.5W 2.Response senstivity-- 2dB 3.Frequency response--150-20K Hz4.Distortion < 1% 5.Input power--DC 5V♦ Support MP3 , SD card, USB2.0, headphones output , AUX input external audio source. ♦ External rechargeable battery ♦ FM radio ...