【Wireless Speaker with Bluetooth】 With dual speaker drivers and a more powerful amplifier module,Enjoy up to 15W room-filling sound with punchy bass, strong midranges, and crisp highs. 【Outdoor Portable Speaker 】Rechargeable bluetooth speaker portable wireless playback via Bluetooth, TF card or USB, ideal for any setting. You can carry it anywhere outdoors and indoors including camping, hiking, biking, office, etc. 【Music with Dynamic Lights】The portable bluetooth speakers features built-in with 5 RGB light colors and 6 light modes, mixed color flashes that sync with the beat, create a vibrant and immersive audio experience. 【Battery lastes long time】Enjoy a full 18 hours of non-stop playback under 50% Volume, and up to 4 hours under 100% Volume. The lights can be TURN OFF and that the actual playtime can vary depending on volume level, audio content, and usage. 【Plug and Play USB C Speaker】This is a portable bluetooth speaker with plug and play functionality and a USB-C charge port. Simply connect your device to the speaker via Bluetooth and start enjoying your favorite music without any complicated setup.