POWERFUL Wireless Voice Amplifier: M800 portable microphone headset with speaker provides enough volume. Super 18W output, allows you to project your voice across a group of 20 to 65 people clearly and loudly. UHF wireless transmission technology,100 feet stable wireless connection at open area. ( When using the wireless mic, it is recommended not to exceed this distance to avoid interruption of the connection signal.) | ALL-IN-ONE Outdoor Speaker: Portable Voice Amplifier + Bluetooth Speaker + Power Bank. You can easy stream the music from your Bluetooth-enabled devices like Phone,Tablet and Non-bluetooth device via Aux input .The headset amplifer also supports TF Card, U Disk and Recording function. You can also use this portable amp as a mobile power source to charge your phone.What is more, you can amplify your voice and play music at the same time. The headset megaphone can be used as a karaoke microphone. | PORTABLE and WATERPROOF : Comfortable wireless headset mic with removable ear hook, supports headset and handheld operation, you can use whichever style you want. Compact size (3.66 x 1.65 x 4.57 inches) and light weight (0.86 lb). It comes with adjustable waistband clip belt which is easy to carry. The wearable microphone is made of durable ABS+TPU material, which is waterproof, dustproof and drop resistant. It is a portable microphone for teachers and ideal for outdoor activities. | RECHARGEABLE Voice Enhancer: Both speaker with microphone are Built-in Rechargeable Battery.The M800 personal voice amplifier provides you the working time up to 10-12 hours.The cordless microphone headset last 3-5 hours and fast charging once plugged in. | WE SELL NOT ONLY PRODUCTS BUT ALSO SERVICES: We always stand behind the product, reply within 24 hours and provide you with a satisfactory solution. We provide lifetime technical support for HaoWorks voice amplifiers. What you get: Voice Amplifier + Wireless Microphone + Wall Charger + Waistband + USB charging cable + Aux cable + Manual.