Tearstone Voice Amplifier for Teachers with Wireless Magnetic Lavalier Microphone, Bluetooth Portable Rechargeable Speaker, 2 Mics for Classroom, Meetings, Speeches, Outdoor (Pink)

Product description

The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked. Voice Amplifier for Teachers Merchant Video

Is there any noise or whistling while using it?

No. It has anti-whistling and noise reduction tech. Just keep the mic 30cm away from the speaker and avoid pointing it directly at the speaker.

Is there a delay between speaking and hearing the sound from the speaker?

No. It adopts low-latency tech to ensure synchronized sound output.

How can I get a clear and full sound from the microphone?

Keep the mic 10–15cm from your mouth, avoid pointing it at the speaker, and adjust the volume properly.

Can two microphones be used at the same time?

Yes, both microphones can be used at the same time. Depending on the scene, you can use only one microphone or both microphones at the same time.

Why does the sound occasionally stutter when using the microphone?

Usually from signal interference, exceeding 49FT (15M) range, or low battery. Solve it by keeping away from wireless devices, using within range, or recharging timely.

😃【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 modes—simply click the mode button, search for Bluetooth “M29”, 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.
🏅【Original Clear Sound】: The microphone for teachers features full 270°omnidirectional microphone captures natural sound, with a 76 mm anti-interference horn and DSP noise reduction chip to eliminate distortion, feedback, whistling and output clear and soft sound, with an effective transmission covering 10,000 square feet, suitable for hands-free movement.
🎉【Broad Compatibility, Versatile Use】: Our Tearstone microphone Amplifiers supports Bluetooth connection to phones, tablets, and computers,meeting diverse audio needs. Ideal for teachers, speakers, trainers, tour guides, coaches, and anyone addressing large audiences—perfect for teaching, training, tours, meetings, speeches, conferences, and outdoor activities. It helps reduce vocal strain from yelling, ensuring your voice is effortlessly heard in any setting.
💖【Ultra-Light Portable Design】: The Bluetooth amplifier made of ABS material with high light technology, durable and wear-resistant. Its compact size easily fits in a bag, and it can be clipped to a belt, worn crossbody, or tied around the waist (the included strap is adjustable)—designed for comfort during long hours of use. Note: If the clip has been attached, remove it first and reattach the original magnet to the microphone before placing it back into the amplifier.