ChristCenteredGamer.com Unboxes the MAONO Portable Rechargeable Mini Voice Amplifier

126dB with a sound range of 10,000 sq. ft

Battery specification: 3.7V/1500mAh

Support music format: MP3/WAV

Output power: 5W

Speaker impedance: 3Ω

Frequency response: 180Hz-19KHz

Input: 5V=500mA Max

10 hour battery life with 2-4 hour charge time

FM radio

$27.99 on Amazon https://amzn.to/2R0HawS
(Amazon Affiliate Link)