SHIDU Voice Amplifier for Teacher with Portable Microphone and Speaker, 18W Megaphone with Wired Mic Headset, IPX5 Waterproof &

If you want to project you voice in a small or large group loudly or enjoy a beautiful music when take shower, that this portable waterproof voice amplifier is what you are looking for. Come and get this bluetooth speaker for your special outdoor activities use. ? Adjustable and Comfortable Microphone Headset Comes with super light and comfortable adjustable wired microphone headset, can stay on your head well, doesnt hurt your head after a long period of time. ? Quick and Easy to Pair Your Bluetooth Device with This Bluetooth Speaker Turn on the voice amplifier and enter into Bluetooth mode. Then turn on the bluetooth of your device, search SD-M800 and connect, it will successfully connected with voice prompt Bluetooth is connected . ? Wide Application This portable bluetooth voice amplifier M800 is perfect for outdoors, teachers, singing, coaches, presentation, fitness instructors, yoga, elderly, tour guides or people who has a soft voice, parkinsons disease. Bluetooth Voice Amplifier Specification: Output Power: 18W Battery Capacity: 3.7V, 4400mAh Charging voltage: 5V, 1A Charging Time: 3-5 hours Working Time: 12 hours (Its up to the volume you control) Warm tips Please charge the speaker and microphone first before you use it. When recording, please insert the USB or the SD card first.