Search query: voice distorter

Product: Voice Amplifier for teachers Portable Bluetooth Rechargeable PA System Speaker for Multiple Locations Such as Classroom, Meetings and Outdoors 1 Amplifys your voice and saves your throat. The sound is clear, crisp, no noise and no distortion. The max 30 watts sound can cover about 15000 sq. ft (1400 ㎡), loud enough to cover a big room.
Multiple Output Methods:Not only is it an amplifier but also a portable Bluetooth speaker, you can transfer audio files from any type of Bluetooth-enabled mobile device, USB flash drive, TF card to 33 feet away.
Rechargeable Voice Amplifier:Built-in a large 3200mAh lithium-ion battery, so that the microphone speaker full charge only takes 4-6 hours, but play amplification time up to 18 hours, music playback time up to 8 hours.
Small Size and Light Weight:This portable Bluetooth megaphone is a portable public address system that weighs only 249g and you can take it to multiple locations such as classrooms, bingo calls and outdoors. It's great for small to medium groups speaking to multiple people.
Tips for use:1. Place the microphone directly in front of your mouth for maximum amplification.2. Don't howl: The microphone and speaker need to be positioned at a distance, preferably facing each other. It may also cause feedback if the volume is set too high. Just gradually increase the volume as needed. PalliPartners black

Product: Voice Amplifier，Professional mini Portable lotmusic Microphone Amplifier Speaker Rechargeable Wired Microphone Headset, personal for Teacher Classroom Outdoor Meeting Tour Guides Specifications:
Basic function:Voice amplifier,Bluetooth,FM,Music,Power Bank
Full charging time:8-10 with 1A charger,13-15 hours with computer USB charger.
Lithium Battery Capacity:3200mAH
Dimension:86L*39W*117H(mm)
Net Weight: 249g
Output Power:30W
Power Voice Amplifier---Amplifies your voice and saves your throat when you have a need to be heard in every corner. Delivering 10w clear and soft sound to cover about 10000 sq.ft (1000 ㎡).
Multipurpose Modes---This portable voice amplifier features 5 function modes. You can use it as a Voice Amplifier, PC speaker,FM radio,Power Bank and listen to music via TF card.
Multiple Scenes Practical---You can take microphone and speaker set to multiple locations such as classrooms, bingo calling and outdoors,making your voice heard at meetings, when teaching in a large room or holding big outdoor events, such as weddings, tourist guides.
Rechargeable Speaker---Wireless portable voice amplifier built-in a 3200mAH lithium battery and can be used continuously for about 5 hours and it takes only 8-10 hours to fully charge.
Portable & Lightweight---Portable audio system has a portable design,weighing only 0.55lb.It is equipped with a back clip to fix the device at your belt or pocket, or you can hang it around your waist with the help of the waistband belt included. lotmusic