SuperSonic Portable Bluetooth Boombox Audio Speaker System

Earphone Jack. 3.5mm Auxiliary Input for Most External Audio Devices. Built-in SD Card & Micro SD Card Slot Allows You to Play Your Music Files From Your SD or Micro SD Card. Auxiliary Input: 3.5mm. Built-in BT 3.0 Receiver Allows You to Wirelessly Connect to your Smartphone & Music Player.