Notice: the only difference between two versions is the size of the upper panel, one is smaller and one is bigger.

Features

• Powerful functions and easy use: just rotate the knob to adjust the volume, and short press the knob to play/pause (mute/unmute) the music, rotate and short press the knob to skip to previous or next song etc. Also designed with LED lamp on the top panel and surround it,  dynamically decorate your desktop.

• Strong compatibility and durable: support computer/tablet/phone/smart TV etc. as long as the system of your device is Windows, MAC OS or Android,  no need for any driver, plug and play, adopting integrated design of volume knob and USB cable, to avoid poor contact and damage of USB interface after long time use.

• Lossless sound quality and wide range of use: adjust the volume directly from the operation system, passive design and no physical contact with audio devices, no noise or any other effects will generated to spoil your HiFi enjoyment, very suitable for watching videos, playing games, activities, wedding, meeting, celebration, performance and so on. 

• Considerate design and mini size: with 7 kinds of LED indicator settings to provide much fun and playability. The base made of plastic and treated by home-made oil, wear-resistant, dust-proof, does not leave hand sweat or fingerprints, and feels delicate and silky to the touch.

Parameters

• Material: plastic
  
• Surface treatment: home-made oil (perfect hand feelings)
  
• System supported: Windows / MAC OS / Android
  
• LED breathing color: red-orange-green-cyan-blue-purple-pink
  
• Color: black
  
• Connention port: standard USB
  
• Length of cable: 1.6m / 6.30in
  
• Working voltage: DC 5V
  
• Diameter of base: 67mm / 2.64in
  
• Diameter of top: 42mm / 1.65in (Small) / 67mm / 2.64in  (Large)  
  
• Height of knob: 51mm / 2.00in (Small) / 45mm / 1.77in (Large) 
  
• Net weight: 146g / 0.32lb (Small) / 166g / 0.37lb (Large)
  
• Package weight: 400g / 0.88lb

Packing List

• 1*USB Volume Controller
  
• 1*User Manual