1??IPX7 Waterproof Rating: Enjoy your music even in the most humid conditions. This speaker is designed to withstand immersion in water up to 1 meter for up to 30 minutes. 2??Advanced BT 5.2: Experience seamless and stable connectivity with the latest BT 5.2 technology. Connect your devices quickly and easily, with a range of up to 10 meters. 3??Hands-Free Calling: Equipped with a built-in microphone for hands-free calling. Stay connected with your loved ones or manage your work calls, all while enjoying your favorite tunes. Features: IPX7 Waterproof Rating: Enjoy your music even in the most humid conditions. This speaker is designed to withstand immersion in water up to 1 meter for up to 30 minutes. Advanced BT 5.2: Experience seamless and stable connectivity with the latest BT 5.2 technology. Connect your devices quickly and easily, with a range of up to 10 meters. Hands-Free Calling: Equipped with a built-in microphone for hands-free calling. Stay connected with your loved ones or manage your work calls, all while enjoying your favorite tunes. FM Radio Function: Tune into your favorite radio stations with the integrated FM radio feature. Stay updated with the latest news, or enjoy a variety of music genres. Perfect for Outdoor Activities: Its compact and lightweight design makes it easy to carry around. Whether you're hiking, camping, or having a beach party, this Bluetooth speaker is your perfect music companion. Specifications: Connection mode: BT connection Frequency response range: 100HZ-20KHZ Signal-to-noise ratio: ??95dB Sound channel: 1 Number of speakers: 1 Effective distance: 15 meters Color: black, blue (optional) Power supply: USB Waterproof grade: IPX 7 BT version: 5.2 Rated power: 5W Rated voltage: 3.7V Shell material: plastic + silicone Speaker unit: 1 Whether built-in battery: built-in battery Package Size: 16*13*5cm Package Weight: 389g Package List: 1 * Sound 1 * Sound