Pyle Boom Rock PWMAB210RD Bluetooth Karaoke Speaker Recording System, Rechargeable Battery, Wireless Mic, USB/SD Readers (Discontinued by Manufacturer) All-in-One Karaoke Speaker System - Built-in Bluetooth for Wireless Audio Streaming Works with All of Your Favorite Bluetooth Devices (iPhone, Android, Smartphone, Tablet, etc.) Sound Studio: Connect the Wireless Mic, Play Music and Record Your Voice at the Same Time! USB Flash & SD Card Readers - FM Radio - LCD Digital Display - High-Power Output: 300 Watt Built-in Rechargeable Battery (3 Hour Life) - 1/4'' Mic Input - 1/4'' Audio Output - AUX (3.5mm) Input