The Edifier MP80 Bluetooth portable speaker is a sleek 4.5watt system built for adventure. Designed to enjoy the outdoors to the max, its soft silicon finish ensures protection from bumps and bruises. It also features a rechargeable battery that plays up to 7 hours and features a microUSB port. A general functionality across all Edifier portable speakers, the MP80 also acts as a speakerphone. It is available in three colors including : Black, green and brown.