Personal Voice Amplifier with Headset Microphone, 16 Watts Powerful Output/ Bluetooth 5.0/ Compact Size and Ultra-light, Can be Used with Face Masks Portable Voice Amplifier for Teachers, Trainers, Fitness Instructors, Tour Guides, Public Speaking, School, Supermarket Events, Social Distancing, etc Multi-purpose Voice Amplifier with Headset Mic: Multi-purpose, Compact and Portable Sound Amplification System -- Combines the features of Voice Amplifier+Bluetooth Speaker+MP3 Player in oneEquipped with high quality acoustic wired headset microphone -- HiFi original sound amplificationNd-fe-b magnet horn adopts intelligent noise reduction technology to effectively filter noise and ensures sound clear, strong penetrating and wide coverage16 watts sound output is loud enough to cover small / medium-size room -- mini size but powerful voice for among 50-200 peopleBuilt-in 2200mAh rechargeable lithium battery, which makes amplifying time is up to 12 hours, audio file playing time is up to 10 hours, and only need 3~4 hours to be fully chargedSupports USB flash drive and Micro SD / TF card playingCan work as external speaker for mobiles, computers, iPads/ tablets by connecting Bluetooth (with 5.0 chip) or connecting Aux line through 3.5mm aux audio portUltra-portable design of small voice loud-speaker - With the help of a adjustable waistband, you can wear this voice amplification device around waist or hung it over neck / shoulder (witout clip on back of the speaker) Rechargeable Voice Speaker with Long Battery Life Specification: Size: 3.94 * 1.57 * 3.35 inchesUnit weight: 0.45lbPeak Output: 16 WattsCharging voltage: DC5V/1AhLithium battery: 2200mAhFrequency response: 80Hz-18KHzWorking time: 6~8 hours (with half volume)Charging time: 3-4 hoursSound coverage: 50-200 people Small Voice Amplifier with Headset Microphone -- Easy to Carry Warm Tips: Excluding charging plug, the speaker can be charged by universal chargersBefore using, fuly charge the speaker and adjust the volume according your needsWhen using it, please do not put the headset mic with voice amplifier too close, otherwise it will occur howling / feedbackPlease scroll the gear to turn up / down the volume of the speaker according to your needs Main Features of All-in-One Portable Voice Amplifier with Microphone System Mini Voice Amplification System Small and Portable, Easy to carry Compact size: 3.94 X 1.57 X 3.35 inches Utra-light weight: 0.45lb Noted: Please scroll the gear to power on / off voice amplifier or turn up / down the volume of the speaker Widely Compatibility As a MP3 player: Supports to play audio files which stored in Micro SD / TF card and USB flash drive Noted: Long press "M" button to loop music with a voice prompt: singel repeat / all repeat. As a external loudspeaker: for mobiles, computers, iPads/ tablets and so on by connecting with Bluetooth (with 5.0 chip) / Aux line through 3.5mm aux audio port Bluetooth 5.0 Fuction With Upgraded Bluetooth 5.0 Chip, you can enjoy a stable signal and fast transmit speed Note: The wired headset is a non-Bluetooth microphoneOnly under Bluetooth mode, the portable Voice Amplifier (Bluetooth ID: S619) can be connected with Bluetooth search-enabled capabilities devices, such as smartphones, tablets, etcEarphones, earbuds, Bluetooth headsets, Bluetooth microphones or other devices without Bluetooth search-abled are not applicable for this mini voice amplifier Small waistband voice amplifier set Package Includes: 1 * Personal Voice Amplifier 1 * Wired Headset Microphone 1 * Micro-USB Charging Cable 1 * Aux Cable 1 * Adjustable Waistband 1 * User Manual 1 * Product Brochure The Way of How to Carry Personal Voice Amplifier with Adjustable Strap Hang over neck Cross-body Style Tied to waist Carry on shoulder