Promotional Mini Bluetooth Speakers manufactured in a compact, easily transportable design with black rubber coat finish. They can be used up to 10 meters away from your music device and are bluetooth version compatible with V2.1, V2.0, V1.1 and V1.2 to suit almost all bluetooth capable devices. With an internal lithium battery that is easily recharged when connected to your computer/laptop via USB cable (included). Supplied in a black gift box, these personalised portable speakers would make excellent executive gifts or high-end giveaways to any music or gadget enthusiast.