Feature: 1. BRIGHT AND COLORFUL LED: 1624 LED music spectrum display built by 16 columns and 24 rows total 385pcs RGB LEDs, bright and colorful to add more fun to your music playback 2. VARIOUS FUNCTIONS: Music spectrum display has 20 kinds of dynamic effects x 7 kinds of color effects, can form 140 kinds of different display effects. 4 clock display modes and 2 way alarm functions, 1 breathing mode and 1‑7 brightness modes. Variety of functions can be personalized according to personal preferences 3. 2 CONNECTION MODES: LED music spectrum display built in voice sensor, only need power supply, no need to connect sound cable to work; Sound line control, connect the power supply and sound line to work, and connect the sound line to automatically turn off the voice sensor function, which can avoid noise affecting the display effect. You can choose the wiring method according to the surrounding environment 4. POWER SUPPLY: Music spectrum display adopt USB 5V 1A, power for 3W ,USB 5V power supply can be powered by mobile phone charger or computer USB, but cannot be charged 5. LONG LASTING MATERIAL: Music spectrum display is made of excellent ABS material, wear resistance, impact resistance, possess long service life Specification: Item Type: LED Music Spectrum Display Model: HU-008B Display Method: 16 Columns 24 rows with 384 RGB LED display Power Supply: 5V USB power supply Control Method: Sound control or 3.5mm sound cable control, automatic switching, sound control when sound cable is not inserted, sound cable control when sound cable is inserted. Main Functions: 20 Spectrum display modes, 7 color modes, brightness setting from level 1 to level 7, 4 time display modes, 1 breathing display mode, 2 alarm clock functions, 1 night dimming function Shell Color: White. Package List: 1 x LED Music Spectrum Display 1 x Connecting Cable 1 x USB Cable 1 x Converter Head 1 x Cleaning Cloth 1 x User Manual