Description: Dual speakers, high volume: unique sound cavity + professional sound guide, 2.5inch full- speaker combination, produce shocking stereo surround sound. Painted metal iron mesh, durable, high-grade and texture. The compact and stylish design helps you save space. Cool atmosphere light: immersive subwoofer to create a dreamy music world. Ergonomically designed independent volume adjustment button, turn clockwise to increase the sound. USB connection: Use USB to power on, no need to charge, with 3.5mm audio plug, connect to play music. Widely compatible: desktop computers, laptops, mobile phones and tablets can be used. Specification: Diameter: Medium 2.5Inches Plug: USB+3.5 audio interface, length about 1.2M Theoretical output power: 5Wx2 Power supply: 5V/1A or above (computer or mobile phone charger) Colour: Black Product size: 102.7(W)X78(L)X174.6(H)MM Product weight: about 636G (including cable) Size Chart: 102.7x78x174.mm/4.04x3.07x6.87inch Package Includes: 1 Piece Speaker 1 Piece Line Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping!