digital speaker for ipod and iphone with SD/USB Built in FM Radio WIRELESS REMOTE COMPATIBLE WITH --IPOD / IPHONE / IPAD portable- S715i7370 Plays MP3 Files stored in your SD Card or USB Disk Drive MAX Capacity 8GB for SD Card or USB Stick FM Radio with up to 30 Preset Memory Stations Rechargeable Lithium Ion Battery Play/Pause/Forward/Rewind Buttons on unit &amp; remote for easy access Full Function Infrared Remote Control