Giecy Voice Amplifier Portable Bluetooth 30W 2800mAh PA System Speaker unboxing and instructions

Device:

Amplifier https://amzn.to/2QeBbSV

Giecy Voice Amplifier Portable Bluetooth 30W 2800mAh Rechargeable PA System Speaker for Multiple Locations Such as Classroom, Meetings and Outdoors

【Voice Amplifier】 Amplifies your voice and saves your throat when you have a difficult time speaking loudly enough. Delivering 30w clear and soft sound to cover about 20000 sq.ft (1000 ㎡). loud enough to cover a big room.
【bluetooth voice amplifier】Not only an amplifiers but also a portable Bluetooth speaker, you can stream your favorite music from any type of Bluetooth-enabled mobile device, up to 33 feet away.
【Light weight power box】this portable Bluetooth Amplifiers is a portable public address system. You can take it to multiple locations such as classrooms, bingo calling and outdoors. A big help in speaking to 100+ members in your group.
【Rechargeable voice amplifier】 built-in a 2800mAh big lithium battery allows the microphone speaker to only take 3-5 hours to fully charge, but plays up to 12-15 hours of amplify time and up to 8 hours of music playtime.
【Supports Music Playing】personal voice amplifier TF (Micro SD) card playing & USB flash drive playing. You can repeat single tune, loop all music and switch songs,Easy to use as a wired speaker.