15W Bluetooth Voice Amplifier with Wireless Microphone & Wired Backup — Portable Teacher PA Speaker

Portable 15W voice amplifier designed to make your voice heard clearly across large spaces. Built-in boost technology and intelligent noise reduction deliver 3D, comfortable sound and can cover up to 1000 square meters, with a transmission range up to 35 meters. The unit features automatic connection to the wireless microphone as soon as it powers on, eliminating setup delays; if the wireless mic runs out of power you can switch to the included wired microphone to continue without interruption. Power and display: A 2400mAh battery combined with a UHF low power consumption module provides extended run time. After a 4-6 hour charge the amplifier can operate for 12-15 hours. A digital screen clearly indicates remaining battery capacity. Versatile playback and recording: Acts as a Bluetooth speaker for smartphone streaming and also supports FM radio, audio cable input, U disk playback, TF card playback, plus recording and loop playback. The recording feature is handy for preparing and replaying lessons. Compact, lightweight design: Measuring just 3.54 x 5 x 1.57inch, this mini amplifier is easy to carry and ideal for teachers, tour guides, fitness instructors and anyone who needs amplified sound. Perfect for classrooms, lectures, speeches, training sessions, meetings and shopping mall announcements.