USB Rechargeable Portable MP3 Music Stereo Speaker with SD/USB/Cell Phone Adapters (3.5mm)
Ultra portable speaker system - A speaker that directly plays music off USB drives SD cards etc - Supports USB flash/jump drives and SD/MMC (4GB max) - Plays MP3 format music files - Features 3.5mm stereo input line-in jack for most Cellphone and MP3 players - Volume control and ON/OFF switch Supported - Built-in 500mAh rechargeable batteries - Comes with USB power cable (69CM-Length) 3 * audio connection cellphone adapters