Kindlyperson Portable Rechargeable Mini Voice Amplifier for Teachers_ Personal Speaker Microphone Headset Voice Amplifier Wireless Microphone for Outdoors Tour Guide Promoters

Descriptions: Use Tips: 1. Put the microphone in front of your mouth to get the maximum amplification effect. 2. Do not whistle: Keep a certain distance between the microphone and the speaker, and preferably face each other away. The best way is to put on a microphone headset, hang the amplifier speaker on your waist, then turn it on, and finally gradually increase the volume as needed. Specifcations: Power: 5W Expand coverage: 1000 square meters Battery: 3.7V 3000mAh (working time 24 hours, charging time 3-5 hours) Power supply: USB/DC 5V Play mode: Support USB flash drive playback and TF card playback Display: multi-function digital display Function: Support MP3 and FM radio Power supply: USB/DC 5V-0.5A Working time: 24 hours Charging time: 3-5 hours Color: black, rose gold Packing List: Amplifier*1 Microphone*1 Charging Cable*1 Belt*1 Manual*1