Wireless voice amplifier M800 is an all-in-one portable pa system that combine voice enhancer IPX5 waterproof Bluetooth speaker power bank function. Portable microphone and speaker are suitable for large room and outdoor activities, coaches, instructor, etc<br><br><b>Features:</b><br><b>One-Key Recording:</b> Please insert a TF/ Micro SD card/ U disk (because of the speaker without any storage space) and a plug-in Mic before recording<br>Bluetooth 4.2: Only the speaker can be used with Bluetooth search-enabled capabilities devices,such as smartphones, tablets, etc, the Bluetooth ID is SD-M800. Some Bluetooth unabled-searched devices (like earphone/earbuds, headsets, microphones, etc) are not applicable for the Bluetooth voice amplifier.<br><b>UHF microphone system:</b>Not a Bluetooth Microphone. 2 in 1 Wireless headset Mic only use for sound amplification. Utilizes UHF wireless transmission technology, signal transmission more fast and stable than 2.4G and FM technology, about 20m/65ft wireless connection distance at open area<br><b>Easy to carry:</b>:Waistband voice speaker has a compact size and light weight. With adjustable strap, you can carry wearable voice amplifier on shoulder, hang over on neck, tie around to waist or directly clip on your belt.<br><br><b>Specification:</b><br>Output Power:18W<br>Battery Capacity:3.7V,4400mAh<br>Charging voltage:5V,1A<br>Charging Time:3~5 hours<br>Working Time:10~12 hours(Main device),2~4 hours(Wireless Mic)<br><br><b>Package includes:</b><br>1*Portable Voice amplifier<br>1*Wireless microphone headset<br>1*Charging cable<br>1*3.5mm Audio cable<br>1*DC 5V charger<br>1*Waistband<br>1*User manual<br><b>Warm Tip:</b><br>The voice amplifier supports to play music and amplify voice at the same time<br>Long press the "Previous/Next" buttons on the speaker or short press " +/-" keys on the wireless headset Mic to adjust the volume, and you also can adjust it by your phone when playing music