Dland Ultra-Portable Wireless Bluetooth Speaker,Powerful Sound with build in Microphone, Works for Iphone, Ipad Mini, Ipad 4/3/2, Itouch, Blackberry, Nexus, Samsung and other Smart Phones and Mp3 Players Play TF card MP3 and FM Scan Radio Function use mega bass and hi-fi stereo design, with good sound quality, Bluetooth audio transfer and hand-free phone function,directly to play TF card MP3/WMA format music Mini USB interface external audio input,Stndard 3.5 earphone interface external audio input FM scan radio function,English sound cue voice to difference working status. Built-in Li-Ion Rechargeable Battery for 8-10 hours of playtime