Extraordinary Sound: With its built-in 43mm full-range internal magnet, the MP100 Plus Speaker produces detailed sound notes. Ultra Portable Design: The unique sandwich-type design of the MP100 Plus Speaker is as light as a mobile phone and fits in your hand. Wireless Connection: The bluetooth speaker equipt with the latest Bluetooth 5.3 technology, it can connect to your mobile phone or other smart devices with ease. Smart Noise Reduction for Clear Calls: The MP100 Plus Speaker has a high-quality built-in microphone and a one-touch button, making it easier to take incoming calls. It has an intelligent noise-cancellation algorithm that ensures clear calls and smooth communication. Upgraded Waterproof Rating: The MP100 Plus Speaker has an IPX7 waterproof rating, making it perfect for outdoor use. Music Anytime: The powerful Li-ion battery allows you to enjoy up to 9 hours of playback time.