... CE,ROTH option Portable Guitar Speaker with FM,Wireless guitar speaker,mini guitar speaker manufacturer & suppliers Type: ActiveUse: Home ... Theatre, Portable Audio Player, Mobile...Channels: 2 (2.0)Special Feature: Wireless ... slot2/4/8GB: Mp3karaoke: SD/MMC Card slotSpecificationsDigital mini speaker, Built-in FM tuner, auto scanning, ...