About this item Bluetooth sound adopts High-FIDELITY 45mm full frequency antimagnetic horn unit, with surging bass, transparent treble and sweet voice. It supports all mobile phone links with Bluetooth function. With IP67 waterproof, rain proof, dust-proof, and strong high-grade suction cups, the speaker can be adsorbed and played at random; Adopt fashionable outdoor sports and indoor bathroom dual-purpose portable waterproof speakers, breaking the traditional meaning of a single outdoor or indoor speaker in the market. The speaker reopens the automatic memory link function, and automatically enters the Bluetooth state when it is TURNED-ON. It can provide high-quality stereo audio signal transmission within a barrier free range of 10 meters. Built-in high-sensitivity call microphone, which automatically suppresses noise and improves its sensitivity to follow the surrounding bad environment. It can carry out hands-free calls and voice chat. No matter in the meeting room, car, kitchen or bathroom, you can enjoy clear calls with free hands. The new generation Bluetooth 5.1 audio decoder is equipped with smart chip, fast connection, delay rejection, listening to music and mobile phone calls, 360 ° omnidirectional HiFi sound quality,Stereo effect, strong bass expression, strong and powerful volume transmission with small body, and auditory feast.