Voice Amplifier for Teachers with Wireless Lavalier Lapel Microphone Portable Bluetooth Microphone & Speaker Crystal-Clear Sound & Auto-Pairing Convenience The 10W Bluetooth amplifier and wireless lavalier microphone deliver crisp, distortion-free audio with powerful projection, perfect for presentations, lectures, or large gatherings.Marathon 7 Hour Mic Runtime for Non-Stop Use Designed for endurance, the wireless lapel mic operates on a 1800mAh rechargeable batterywith, 7+ hours of continuous use-effortlessly covering full-day workshops, conferences, or multi-class teaching sessions.Uninterrupted Mobility with 15m Wireless Range Move freely up to 15 meters (49 feet) from the speaker without signal drops. Clip the mic discreetly to your clothing, leave the amplifier on your desk, and focus on engaging your audience-no restrictive cables or tangled wires.Long-Lasting Speaker & Bluetooth 5.0 Connectivity The amplifier's 1800mAh rechargeable battery provides 8-12 hours of continuous playtime and connects to smartphones,Professional Design & All-Day Comfort Ultra-Lightweight & Invisible Wear: At just 20g, the mic's coin-sized design disappears under collars or ties, maintaining a polished appearance for professional settings.(The printing is different, but it does not affect the use)Color: Skin ColorMaterial: plasticPackage Contents:1 * Voice AmplifierOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.