About this item: The new waterproof bathroom suction cup Bluetooth speaker has a built-in microphone for hands-free calling, a screen display, an electronic clock, Bluetooth playback, a radio and other functions, and can display the radio frequency. High-definition sound quality, built-in 1000mA polymer lithium battery, battery life up to 12 hours, IPX4 waterproof system. Enjoy life the way you want. Powerful suction cup│IPX4 waterproof Portable design. It can be adsorbed on smooth surfaces such as glass, tiles, mirrors and mobile phones. Office / car / shower window / balcony / kitchen / dressing table / bathroom. Go anytime, anywhere. Product description: Product name: DC adsorption portable speaker. Bluetooth version: BT V2.1. Power supply: Built-in lithium polymer battery. Battery capacity: 1000mAh. Transmission range: 10 meters. Output power: 3W. Battery life: 12 hours. Charging time: 3 hours. Working frequency: 100Hz-20kHz. Sensitivity: -85dbm. Segment code display: