Lightweight Portable PA System Built-In BT Receiver Allows You to Wirelessly Connect to an iPad, iPhone, iPod, Smartphone, Android Tablet, Laptop and More LED Display Built-in FM Radio USB/Micro SD/AUX Inputs Allow You to Play Your Favorite Music from External Devices Karaoke Jack Recording and Repeat Feature Built-in Rechargeable Batteries (2 x 2200mAh) Use Both Batteries at the Same Time or Use One as a Backup. Batteries Included. Carrying Strap Included Frequency Response: 100Hz - 18KHz FM Radio: 87.5 - 108MHz Impedance: 2 ohm Output Power: 5W (RMR) Power Supply: AC: 110V-220V and DC 5V