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Amp-Up Personal UHF Voice Amplifier with Wireless Microphone up to 40 Channels without Interference!

Quick Overview

The PA-25W Amp-Up! UHF Wireless Personal Voice Amplifier is a winner â with its lightweight design, long battery life and clear, crisp amplification
The unit boasts up to 25W output to cover large areas
Using the Bluetooth technology, you can stream audio/music content from your Bluetooth-enabled device
Polymer Battery: 3.7V 550mA
Working voltage: 3.7V