describe:1. High-fidelity stereo sound and dual pairing function Bluetooth speaker is equipped with 20-watt stereo audio driver speakers and an advanced digital signal processor to output crisp highs, detailed mids and specially enhanced bass at any volume.2. RGB Colorful Light Show Wireless LED Bluetooth Speaker not only has speakers, but also unique night theme lights, which provide different color-changing themes. Use a Bluetooth speaker to reimagine a rainbow light show that pulses, phases and glows to your beat.3. Rich 360-degree HD sound Listen to music like never before with 20W stereo speakers built around a 360-degree HD surround sound system.4. Bluetooth 5.0 chip makes it easy to read music playlists and connect to any device such as a smartphone, TV or laptop.5. When you enjoy the music, the gradient lights will really bring you a party atmosphere. With a night theme light, you can turn it on as an LED light instead of using it to play music. Upgraded Bluetooth 5.3 Signal Our wireless Bluetooth speaker can connect devices normally up to 66 feet away without interference even in difficult conditions.Specification:Project Type: Bluetooth SpeakerMaterial: ABS plastic, cloth meshColor: black gray, blueBattery type: Built-in 4000mAh lithium battery (included)Bluetooth: V5.0Bluetooth distance: up to 20mUse time: 12-13h (60%-70% volume), 5.5-6h (100% volume)packing list:1 x bluetooth speaker1 x charging cable1 x instruction manual