Specifications: Equipped with blue LED lights, and the lights are full of metal texture, adding a little artistic flavor to your desktop. With independent knob adjustment, just turn the button to increase/decrease the volume. Using the design method of small diameter and large magnetic circuit, the double speakers are loud and give you shocking sound effects. Equipped with 3.5mm audio jack, and it also supports wired or bluetooth-compatible connection. The USB power supply design makes it easy to use and convenient to operate. Item Name: Speaker Version: Wired Version/Bluetooth Version Connection Method: 3.5MM Audio Jack/Bluetooth 5.0 Frequency Response Range: 30Hz to 1.5kHz Output Power: 3W Signal to Noise Ratio: Less than and Equal to 65dB Separation: More than and Equal to 35dB Channel: 2.0 Voltage: DC 5V Power Supply Mode: USB Power Supply Material: ABS Features: with LED Lights, with Knob Adjustment, 3.5mm Audio Jack, USB Power Supply Size: 320mm x 65mm x 60mm/12.59" x 2.56" x 2.36" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Speaker 1 x User Manual with LED Lights, with Knob Adjustment, 3.5mm Audio Jack, USB Power Supply ABS Speaker with LED Lights, with Knob Adjustment, 3.5mm Audio Jack, USB Power Supply Speaker