M800uhf Wireless Bluetooth Voice Amplifier The M800uhf is a bluetooth voice amplifier with a Wireless microphone headset. Whether you're a teacher, presenter, tour guide, fitness instructor, or anyone else who needs to project their voice, our voice amplifier can help you be heard with confidence and clarity. How to do when the sound not loud? -- 1. Press the volume"+" button on headset microphone,and also long press the "Next" button on the speaker to increase the volume. 2. Be sure to keep the microphone close to your mouth. Free Yourself From Wires The UHF wireless microphone has better signal quality, longer range, and less background noise. It's easy to use and has multiple frequency options for clear and loud sound. If you have trouble connecting, refer to the manual for troubleshooting steps. Headset and Handheld Microphone 2 in 1 Portable voice amplifier with UHF wireless headset microphone gives you complete freedom to walk around the room. M800uhf offers a versatile solution, combining a headset and handheld microphone in one. With a removable ear hook, you can choose the style that suits you best. Rechargeable Voice Amplifier Both speaker and headset microphone are Built-in Rechargeable Battery. The M800uhf amplifier speaker provide you the working time up to 10-12 hours. But wireless microphone headset only last 3-5 hours. Portable Speaker M800UHF is designed to give you a variety of options for playing music, so you can choose the one that works best for you. You can use it to play music from your smartphone, tablet, laptop, or any other device that supports Bluetooth, AUX, or USB connectivity. M800UHF voice amp has a durable silicone and ABS casing for long-lasting use Its rugged construction ensures reliability in any environment, making it perfect for outdoor activities, presentations, and events. Say goodbye to restrictions and communicate with confidence using our voice amplifier. One-key Recording You won't miss any important messages again! Please make sure that the TF card / USB disk is inserted and the wireless microphone headset is connected before the recording. It functions as an emergency phone charger With its built-in portable charging feature, you can charge your phone on the go, ensuring you never run out of battery in critical situations. Whether you're leading a group hike, organizing outdoor events, or facing unforeseen emergencies, this versatile voice amp keeps you heard and connected. M800uhf portable voice amplifier is lightweight and small. It comes with adjustable waistband and back clip which makes voice amplifier easy to carry.