Voice Amplifier for Teachers with Bluetooth, Dual Magnetic Mics | Portable Rechargeable Speaker with Clip-On Lapel Microphones for Classroom, Tour Guide, Public Speaking, Training (Black)
Advanced Wireless Voice Amplifier: Tearstone portable voice amplifier for teachers is the 2026 upgraded Bluetooth voice amplifier with magnetic wireless lavalier microphone. It can be easily attached to the collar or tie, eliminating the discomfort associated with traditional head-worn microphones, it greatly reduces the burden of teaching and provides flexibility for different speaking situations.
Effortless Pairing & Operation: This portable voice amplifier is equipped with a 2-in-1 ON/OFF and volume control wheel for easy power and volume adjustment; Simply turn them on for automatic pairing. Supports Bluetooth and USB modessimply click the mode button, search for Bluetooth "KY02", connect, and play music instantly.
Extended Battery Life: Our wireless microphone amplifier features a 2600mAh rechargeable battery. The microphone stores on the back of the amplifier, serving both as an amplifier and a charging dock for the microphone. With a full charge, the total runtime reaches up to 15 hours. Fast charging takes 3-5 hours for the speaker and 2-4 hours for the mic, with a clear battery level display to track power easily.
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Overview
Specs
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Voice Amplifier for Teachers with Bluetooth, Dual Magnetic Mics | Portable Rechargeable Speaker with Clip-On Lapel Microphones for Classroom, Tour Guide, Public Speaking, Training (Black)
Learn more about the Detailed Specifications
Model
Brand
Tearstone
Part Number
M29
Details
Type
Teaching, Training, Meetings, Tour guiding, Singing, Coaching, Public speaking and Presentations, Outdoor speeches and Music playing
Sound
Frequency Response
20 KHz
Dimensions & Weight
Weight
8.05 ounces
Additional Information
First Listed on Newegg
September 13, 2026
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Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.