Dual speaker stereo sound effect for immersive audio experience. Intelligent frequency division technology ensures clear and balanced sound. Shocking bass adds depth and richness to your music. Simple and stylish design enhances the aesthetics of your desktop. Built-in microphone allows for convenient use as a music box or a gift for friends. Item Name: Speaker Material: ABS Product Name: DX11 Small Speaker Working Voltage: 5V Speaker Specifications: 40mm4R3V Volume Adjustment: Support 40-18KHZ Signal-to-voice Ratio: 95dB Bass Effect: Support Socket Specification: 3.5mm Distortion: 0.5-1.0% Supported Equipment: Super Mobile Phones, Tablets, Desktop Circuits, Notebooks, Chicken MP3 And Other Digital Products Features: USB Powered, Stereo Sound, Deep Bass Size Details: L: 7.2cm/2.83", W: 7.2cm/2.83", H: 6.4cm/2.52" (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 Pair of Speakers 1 x Adapter Cable