Square speaker

Square speaker. 3W MP3 speaker with 600mAh rechargeable lithium battery to play on its own when you plug in a Micro SD Card (not included). Volume, stop/next, on/off switch on base and USB port and input/output audio line on the side to connect to MP3/MP4/CD/DVD/iPod/iPhone/PSP player, mobile phone and notebook computer Product size (cm): 5.0 x 5.0 x 4.5 Material: aluminium Color: silver/black