Active PA speaker with rechargeable battery.Wood epoxy painting.8 Inch woofer.80W max power Take your sound with you with the iCube 90. Just plug in your iPod or favorite MP3 player for instant playback. Small, compact, and easily mobile, the iCube 90 is perfect for presentations, speaking engagements, or house parties. With a built-in battery, the Cube 90 can function up to 12 hours on a single charge. The integrated 4-channel mixer allows you to utilize up to two microphones, an iPod, and any line-level device. The adjustable talkover function gives you the ability to make announcements over the music that is playing. From corporate events to beach parties, the iCube 90 will ensure that you can take your sound everywhere and anywhere.