The portable Bluetooth speakers deliver excellent 3D HD surround stereo sound with 8W output power, adopting an advanced digital signal processor ensuring zero distortion at any volume This Bluetooth speaker can normally connect the different devices from 32 feet unobstructed away; the Bluetooth 5.3 chip has strong function and stable transmission, and supports connecting to any device such as smartphone, tablet, TV, computer, and laptop; and also supports TF card & AUX-in, and USB flash, it's a great wireless speakers for outdoor, home You can turn on the 2 wireless speakers at the same time by long-press the power button, and long-press the one of M buttons, accessing TWS paring mode, and then Bluetooth connecting the S16 speaker; let you truly enjoy the surround sound of a movie theater by pairing the TWS function, it's an auditory experience that's truly unparalleled The wireless Bluetooth speakers with RGB LED light, provide different color-changing themes while playing music. and you can short-press the light button to switch the light color, or long-press to turn off/on the light; when you enjoy music, and will like the gradient lights or you could just open it as a led light without playing music Portable speaker with a top-of-the-line rechargeable li-ion battery, boasts an unbeatable 20-24 hours of continuous music playtime or make calls time, built-in noise-canceling microphone pickup rangs of 5 meters, delivering a clear and natural voice