







🎙️ Own the room, wherever you teach or speak!
The Jkoailiwi Portable Bluetooth Voice Amplifier BWVA04-B is a lightweight, rechargeable 5W speaker system featuring Bluetooth 5.3 connectivity and a wireless lapel microphone. Designed for educators and professionals, it delivers clear, noise-reduced sound to audiences of 50+ people, supports multi-device audio input, and offers up to 20 meters of wireless range—all packed into a compact, easy-to-use design that reduces vocal strain and enhances mobility.







| Mounting Type | Tabletop |
| Power Source | Battery Powered |
| Connector Type | Aux |
| Material | Plastic |
| Item Weight | 182 Grams |
| Number of Channels | 2 |
| Audio Input | Bluetooth, Wireless Microphone |
| Recommended Uses For Product | Classrooms, meetings, speeches, tours, yoga, presentations, and other settings requiring sound amplification for large audiences. |
| Manufacturer | Jkoailiwi |
| Model | BWVA04-B |
| Product Dimensions | 8.2 x 3.18 x 11 cm; 182 g |
| Batteries | 2 Lithium Polymer batteries required. (included) |
| Item model number | BWVA04-B |
| Special Features | Bluetooth Connection, Bulid-in DSP Smart Noise Reduction, Support TF Card & U Disk |
| Mounting Hardware | Charging Cable, User Manual, Voice Amplifier, Wireless Microphone |
| Number of items | 1 |
| Wattage | 5 Watts |
| Batteries Included | Yes |
| Batteries Required | Yes |
| Battery cell composition | Lithium Polymer |
| Signal-to-noise ratio (dB) | 70 dB |
| Includes Rechargeable Battery | Yes |
| Country of Origin | China |
| Item Weight | 182 g |
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