VELOMAX Wireless Voice Amplifier for Teachers with Bluetooth & USB Playback, 3-Mode Portable Personal Speaker, 2600mAh Long Battery Life for Classroom, Meeting, Tour Guide (Single Mic)

https://www.amazon.in/dp/B0H4...CK Large 2600mAh Battery + Dedicated Mic Charging Case Built-in 2600mAh high-capacity battery supports long hours of continuous operation without frequent charging. Includes a dedicated charging case for the microphone, ensuring convenient storage, protection, and on-the-go recharging—perfect for all-day teaching, training, or tour guiding. Powerful 10000 sq.ft Coverage - High-output speaker delivers clear and loud sound across large classrooms, meeting rooms, and tour areas, covering up to 10000 sq.ft. 3 Playback Modes for Every Need - Switch freely between Microphone Mode, Bluetooth Mode, and USB Playback Mode to amplify your voice or play music and teaching audio. Anti-Feedback & Noise Reduction - Advanced anti-howling technology prevents whistling and screeching, ensuring stable and professional audio quality. Designed for Teachers & Guides - Lightweight wireless clip-on microphone offers hands-free freedom — ideal for classrooms, meetings, training