32/40 LED:With 32/40 colorful LED lamp beads, highly sensitive microphone and noise cancellation function, atmosphere light can realize dynamic expression of music and human voice. Built-in high sensitive microphone (voice control), no less than 8 display modes. 4 levels of brightness, 5 levels of speed and 18 color modes can be adjusted at will, you can tune it to your favorite style according to your preference. With intelligent noise-canceling algorithm, it can be used in noisy environment. Bluetooth APP Control:color and Working Mode Can be Adjusted, Built-in battery Arbitrarily placed, not restricted by the charging cable MODE/SPEED key: short press to turn white - select mode; long press to turn red - select 5 speed levels. COLOR/BRIGHT key: short press to turn white - Select color; long press to green - select 4 levels of brightness. Double key pressed at the same time: press at the same time to turn blue - to learn the ambient noise spectrum. Press and hold COLOR at the same time while powering on: Enter gain setting mode