Crystal 360 sound and bass. With the built-in 5W advanced drive, this portable speaker delivers crystal clear sound and enhanced bass. 2 alarm settings, it is not only a speaker but also an alarm clock, especially convenient for couples or roommates who have different hours. Easy repeat feature satisfies those who want moreof sleep to start a new day with a better mind after the alarm Bluetooth 5.0 speaker. PTN portable alarm clock uses new Bluetooth 5.0 technology with faster transmission speed and better sound quality, which can present immersive sound and enhanced bass. Portable and rechargeable. Built-in 2000mAh lithium battery. 18 hours of uninterrupted listening time on 1 full charge. Suitable for outdoors Multifunction speaker. It also features 7-color LED light, FM radio, one-click phone jack and TF card slot.