Moki BassBurger Pocket Speakers with Bluetooth and Microphone. Black. Listen to music and answer calls with a powerful palm size boom-box that creates sound way beyond its tiny size. It produces bass like no other portable speaker and delivers a rich dynamic sound that must be heard to be believed. Connect your Bluetooth BassBurger to any audio device with bluetooth connectivity or 3.5mm socket - iPod, MP3, MP4, iPhone, laptops and media players, handheld game consoles, mobile phones and more. In-built rechargeable lithium battery, via USB, allows for over 8 hours of play.