YOCEWECA Portable Voice Amplifier 25W Rechargeable Speaker with Microphone Wired Headset Waterproof IPX6 Bluetooth 5.0 Personal Voice Enhancer for Teachers, Training, Meeting, Presentation, Outdoor, Beach, etc

* Powerful Voice Amplifier: 25W high performance waterproof voice amplifier can project your voice across to a group of 20 to 300 people clearly and loudly, sound covers about 16000 sq.ft (1500 ㎡). Personal amplifier speaker with a compact size and light weight, which is ideal for teaching, tour guides, instructors, promotion events, guitarists, conferences, moderators, lecturers, etc * Long Working Life: With built-in 2pcs 7.4V 2200mAh lithium batteries, rechargeable voice amplifier could last for up to 8-12 hours playtime with half volume after fully charge * Waterproof & Sturdy Design: Voice amplifier is designed with durable silicone case and great sealing interface to ensure waterproof, shockproof, dustproof, splash-proof, sand-proof. Even if you accidentally drop the speaker on the ground, no need worry it will be damaged * Multi-purpose Portable Speaker with Headset: Original voice enhancer is not only a outdoor sound amplification speaker, but also can be used as a Bluetooth speaker. With built-in ...