Avantree VoxAmp Lite Portable Wireless Voice Amplifier Speaker with Microphone for Teachers, USB Recording & Playback, 15W Clear Sound, Bluetooth 6.0, 15H Battery Fitness Coaching, Classroom

【Wireless Mic & Bluetooth Simultaneously】Amplify your voice and play Bluetooth audio at the same time – ideal for teaching, training, or presentations with music or audio lessons. 【Bluetooth & USB Playback + Recording】Stream audio via Bluetooth or play and record directly from a USB drive (MP3/WAV) – perfect for lessons, training sessions, and group activities. 【Powerful 15W Speaker】The speaker delivers clear, natural sound that easily reaches up to 40 people, helping teachers speak comfortably without shouting or vocal strain. 【Supports Two Wireless Microphones 】Works with two wireless microphones at the same time, ideal for team teaching, group discussions, or presentations with more than one speaker. 【Long Battery Life & Type-C Charging 】Built-in 1800mAh battery lasts up to 15 hours for voice amplification or 4.5 hours for Bluetooth playback. The wireless microphone lasts up to 9.5 hours on a full charge, and both recharge via Type-C in about 2.5 hours.