Voice Amplifier Portable Megaphone PA System with Wired Head Mounted Microphone BT Wireless Microphone Amplifier Lightweight Digital Display Screen for Teacher Tour Guide Speaker Rechargeable Features: 【Premium Material & Lightweight Design】: This wireless amplifier is made of high-quality piano lacquer material, offering a soft, skin-friendly, and comfortable touch. It's resistant to wear and tear, maintaining its color even after long-term use. Weighing only about 0.11 kg. Its compact size makes it easy to carry, and its large volume ensures your voice will be heard clearly and loudly. 【Long Battery Life and Wide Application】: Equipped with a large capacity 4600mAh battery, this amplifier can meet your needs for a whole day. It offers 16 hours of usage time and only requires 2.5 hours of charging time, making it perfect for long days of teaching or touring. This amplifier is suitable for teaching, touring, shopping guide, meetings, training, square dance, street performance, children's karaoke, yoga, subway stations, airports, and more. 【Clear & Loud Sound】: This amplifier uses a large diameter composite treble crystal magnetic speaker and is equipped with a carbon atom lattice graphene diaphragm to reproduce human voice to a greater extent. It maintains clear sound output while being lightweight and rejects howling, making it ideal for covering an entire classroom. It also features C anti-howling technology, which greatly reduces the frequency of howling. 【Versatile & Convenient】: This amplifier can be connected via Bluetooth and can be transformed into a small speaker within seconds. It offers stable signal transmission within 10 meters and can be used with MP3 players, smartphones, tablets, and computers. It also offers multiple wearing options, including head-wearing, separation, back buckle, waist-hanging, and shoulder-hanging. 【Efficient Charging & Easy to Wear】: With a Type-C interface input, this amplifier charges more efficiently and can share a cable with your phone. Its thoughtful back clip design makes it easy to wear, and it supports TF card/U disk playback for plug-and-play audio files. Specifications: BT Function: Supported Battery Capacity: 1200mAh charging power cell Charging Interface: Type-C charging interface Product Features: BT /amplification/microphone accompaniment Speaker Material: 3-inch internal magnetic 16 core full frequency Current Input: 5V/2A Standby Time: 50-60 hours Product Color: White, Pink (optional) Product Size: 8 * 4.2 * 10.8cm/3.1 * 1.7 * 4.3inch Note: The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. Please allow slight manual measurement deviation for the data. Packing List: 1 x Voice Amplifier 1 x Head Mounted Microphone 1 x Belt 1 x Charging Cable 1 x Wireless Receiver