Small Super Powerful Voice Amplifier Used by Teachers, Coaches, Tour Guides, Presentations, US Army - Frequency Response: 100hz +/- 13db1khz +/- 1db - Rechargeable 7.4 Volt Lithium Battery
Built In Rechargeable Lithium Batteries That Last Up To 12 Hours Of Continuous Use Before Needing A Charge - Current Consumption: 150ma
Projection Range Up To 1/2 Mile - Charging Time: 6 Hours - Speaker Dimensions 3.86 x 3.62 x 1.85 Inches
Pyle PWMA860i Wireless and Portable PA Speaker Sound System with 30-Pin iPod/iPhone Dock, Built-in Rechargeable Battery, Wireless Microphone, 500 Watt
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Hisonic HS120B Lithium Battery Rechargeable & Portable PA (Public Address) System with Built-in VHF Wireless Microphone, Car Cigarette Lighter Cable, Carrying Bag ,1 Hand Held +1 Body Pack
Ion Audio iPA76A Block Rocker Portable Bluetooth Speaker System with Microphone, AM/FM Radio, USB Charge Port, and Wheels and Handle for Transport
