Simplecom UM228 Portable USB Stereo Soundbar Speaker Plug and Play with Volume Control for PC Laptop

UM228 is a portable computer USB stereo speaker offers excellent sound quality with single USB cable for both audio signal and power. Equipped with dual 4W high-sensitive magnetic driver for left and right channel, plus one passive radiator for bass booster, to ensure louder volume, greater dynamic range, richer bass and lower distortion.
No need extra 3.5mm audio cable and no need external power, this is a true single cable USB speaker with built-in audio decoder, one USB cable for both audio signal and power. Single cable helps to avoid messy wires, also save and tidy your desktop space.
Laptop computers are well known for weak sound quality. UM228 is specially designed to upgrade sound quality for laptop computers, compact but powerful, simply plug one USB cable to your laptop, and enjoy improved sound quality instantly. Additionally, portable size and single cable design let you easily bring it with your laptop and enjoy music anywhere.
Wide compatibility of operating systems, UM228 is compatible with Windows, macOS and ChromeOS based computers. Simply plug the speaker into any USB port on computer, and you're ready to go.

Features:
Single cable USB speaker with built-in audio decoder
USB cable for both audio signal and power, easy to use
Dual 4W high-sensitive magnetic driver for left and right channel
One passive radiator for enhanced bass output
Plug and play, no additional driver software needed
Easily adjustable with volume control and mute buttons on top
Best for laptop computers to upgrade sound quality
Suitable for PC, laptop, Mac, Chromebook with available USB port

Specifications:
Interface: USB 2.0
USB Cable Length: 116CM
Speaker Power: 8W (4Wx2)
Speaker Diameter: 40mm x2 (Left, Right)
Passive Radiator: 40x70mm x1 (Center)
Frequency Response: 100Hz~20KHz
Operation Voltage: 5V
Impedance: 4KΩ
Dimension: 18.2cm x 4.5cm x 5.5cm (LxWxH)
Weight: 253g
Operating Systems: Windows 7 and above, macOS 10.8 and above, Chrome OS