Pyle PWMA860i Wireless and Portable PA Speaker Sound System with 30-Pin iPod/iPhone Dock, Built-in Rechargeable Battery, Wireless Microphone, 500 Watt Portable and Powerful PA Sound System, 8'' Subwoofer, 3'' Compression Tweeter, 500 Watt Max 30-Pin iPod/iPhone Dock: Charges Your Device and Play Music, Built-in Rechargeable Battery Telescoping Handle & Caster Wheels, 35mm Speaker Stand Mount Insert, Rotary Controls Inputs: Four 1/4" Connector Jacks (Mic1, Mic2, Guitar, Audio) Output: 1/4'' Connector Includes Wireless VHF Handheld Microphone, 110/220V, Size: 10.6" x 9.3" x 17.5"