... to PC, MP3, MP4, CD, and other portable media players speaker bluetooth Commodity NameBluetooth Speaker (XD-10)power rating3W x 2frequency ... silver,etc ,etcWeight305gFunctions:1.Play your favorite music wireless from you Bluetooth A2DP enabled by mobile phone and MP3/MP4 player, PC, etc ... with the Bluetooth running devices;3.Can be also connected to PC, MP3, MP4, CD, and other portable media players ...