WinBridge Bluetooth 5.3 Voice Amplifier with Wireless Microphone Headset

* Powerful 40W    Amplifier: This powerful 40-watt amplifier delivers louder, clearer,    distortion-free sound. It covers an area of 18,000 square feet and can    accommodate a public classroom of more than 200 people. Its consistent    and reliable performance amplifies sound perfectly so that every    listener can be heard clearly and effortlessly.  *     Portable & Compact : This portable megaphone is convenient with    removable handle, size: 5.29*3.54*7.16in, light weight 3.32pounds,    durable product. And it is equipped with an LED screen. The volume can    be adjusted not only through the amp itself, but also headphones up to    32.Making it ideal for teachers.  *     Long Battery Life：The portable megaphone has a built-in 2600mAh    rechargeable battery that provides up to 5-8 hours of amplification on a    single charge, ensuring that you won't have to interrupt your    amplification during an event due to a depleted battery. No need to    recharge frequently, making your use more convenient and long-lasting.  *     Support Multiple Connectivity：Equipped with a newly upgraded Bluetooth    5.3 chip, this portable audio system ensures smooth wireless streaming    and stable transmission while supporting TF card/USB/AUX/instrument    connectivity, which is compatible with a wide range of devices such as    various cell phones, iPads, tablets and more. With a wide range of    connectivity options, this personal speaker is ideal for all your audio    needs.