🎤 Amplify Your Voice, Elevate Your Presence! Choose from Karaoke, Professional, and Acoustic sound modes. Lightweight design with a waterproof silicone case for outdoor adventures. Charge for just 1 hour for up to 15 hours of use. Auto-connect feature for seamless presentations. Experience crystal-clear audio that captivates your audience. Waterproof Design 20W Power 15h Battery Life The 20W Bluetooth Voice Amplifier is a portable, waterproof microphone designed for teachers and speakers, offering powerful sound projection, long battery life, and versatile connectivity options, making it ideal for both indoor and outdoor use.