Subwoofer: the speaker has a subwoofer design, which can absorbs high-quality sound and creates a more immersive music experience.  Hopestars: the boombox speakers are designed with hopestar's unique design, which can enhance the sound quality of your home and make it more comfortable to play. Hopestar x bluetooth speaker: the x bluetooth speaker system can be used for wirelessly and freely, with no need to download any app. Quality materials: the speaker is made of high-quality abs material, which is durable and can be used for a long time. Maximum power: the power boombox has a built-in microphone, which can be used to listen to music and make your music more interesting. Small size and light: the compact design of this speaker makes it easy to carry and store. you can put it in your pocket, backpack or suitcase when you go out.