... Stereo Speaker bag 1,Rohs,CE,SGS 2,mini,waterproof,good sound, 3,can be used in home ... time Features and Function1).SPEAKER SYSTEM, mini portable loudspeaker, waterproof speaker bag2),Function:MP3 format3),Can play ... and other audio devices. 4) 2 AA Battery Technical Parameters: Supply Voltage:3V(3-4.5V ... your favorite music down Long battery life, 5:2 # 5 )exclusive battery power saving mode and the ...