BFB KY02 Wireless Lavalier Anti-Howling Mini Microphone Amplifier Teacher Dedicated Long Battery Life Bluetooth Speaker Microphone for Teaching Tour Outdoor Strap Gift for Girls

Frequency response

200Hz - 15KHz

Speaker sensitivity

85dB

3. Battery & Usage

Built-in 2200mAh Tesla-grade battery

Real-time digital battery level display for usage confidence

4. Connectivity & Features

Bluetooth version 6.0 with approx. 10 meters effective range

New 2.4G wireless transmission with low latency and millisecond-level response for real-time communication

Supports Bluetooth playback, TF card playback (up to 128GB), and microphone input

One-button recording function for instant content saving

Multi-functional for teaching, training, and karaoke with simultaneous playback and microphone use

5. Build & Controls

Smooth sliding power switch with uniform damping

High-definition display screen showing function modes clearly

Piano lacquer finish for smooth tactile feel

Type-C charging port

6. Package Contents

BFB KY02 Amplifier x1

Wired headset microphone x1

Wireless clip-on microphone x1

Chain x1

Type-C charging cable x1

User manual x1

The BFB KY02 amplifier is a fully upgraded, high-performance portable voice amplifier designed to solve common issues found in traditional amplifiers. It offers superior comfort with a lightweight, invisible clip-on mic, powerful and clear stereo sound with DSP anti-howling technology, long battery life with quick charging, and versatile connectivity options. Its patented integrated design ensures convenience, durability, and aesthetic appeal, making it an ideal tool for teaching, training, and public speaking.