A Bluetooth portable speaker is a type of wireless speaker that uses Bluetooth technology to connect to mobile devices, such as smartphones, tablets, and laptops, and play audio content. Portable Bluetooth speakers are designed to be lightweight, compact, and easy to carry around, making them ideal for outdoor activities, travel, and on-the-go use. Bluetooth portable speaker comes in various shapes, sizes, and designs, and offer different features and specifications, such as battery life, water resistance, sound quality, and connectivity options.