4pcs aluminium speaker, delivery perfect music

High quality amplifer built in, 4 AA batteries last up to 8 hours playback

Optional connector for IPOD, PSP,MOBILE PHONES(Sonyerricson,Nokia)

Charge when docking

Ultra portable design, easy to bring

USB port,data input/output function,through USB cable can copied data from/to the PC

to/from IPOD or mobile phone

With a 3.5 input jack, work with any audio player with a 3.5 jack

Power supply:DC 6V(AAbatteries*4) or AC adaptor (6V'1A)

Output power:2+2W/channel,

Speaker : 40MM speaker,4 Ohm

Frequency response:100-18KHZ