Motorcycle audio of motorcycle rear box, Patented product, the counterfeits must investigate! This product is suitable all kinds of motorcycle. Product specifications: 1.Support T-Flash Card of 1-32GB. 2.Support mp3 and wma format. 3.Support FM Radio 86MHz-108MHz. 4.Support for external audio input and can directly play. 5.Built-in 1* 20W and 2* 10W speakers. 6.With the remote, about 50m. 7.12V power for Motorcycle. 8.Size: 360* 280* 260mm 9.weight: 3kg