Based off Google's Android character, aka the Bugdroid, the GOgroove Pal Bot Sound System features a universal design that is compatible with ANY & ALL devices equipped with a 3.5mm audio port Pal Bot has two Dual Drive stereo speakers that are paired with a Passive Subwoofer on the bottom of the speaker for an extra powerful audio experience Equipped with a long-lasting, rechargeable Lithium polymer battery, the speaker can handle up to 6 hours of use per charge with continuous audio playback at maximum output