[Wide Compatibility] This plug and play usb volume controller supports 7 8 10 11 vista os x and ​ devices. no drivers are required for most computers simply connect and start adjusting your volume ly. note that some mobile devices may need an adapter.
[Sturdy and Stable Design] Crafted from ​​ aluminum alloy this volume knob is built to last with excellent durability and scratch resistance. the wide non slip silicone base ensures the controller stays firmly in place on your desk even during intense adjustments.
[Versatile Applications] Perfect for enhancing your audio experience whether listening to music watching videos gaming or during meetings. its user friendly design makes it ideal for home offices classrooms weddings parties and various events where precise volume control is essential.
[Precise Volume Control] This usb volume control knob features a 360 degree rotatable design for accurate and smooth volume adjustment. the intuitive knob allows you to fine tune your audio levels with ease while the built in blue led indicator provides clear visual feedback during operation.
[​ Mute Function] With a single press of the dedicated mute key you can ly silence your audio output. press and hold the key for 8 seconds to ​ its function between mute and pause giving you flexible control over your media playback.

Spec:
Item Type: USB Volume Control Knob
Material: Aluminum Alloy
Color: Black
Cable Length: Approx. 183cm / 72in
Interface: USB
Compatibility: for ​​ 7 8 10 11 Vista, for OS X, for ​
Application: for PC, Laptop, Speaker, Sound System, Mobile Phone, Tablet

Package List:
1 x USB Volume Control Knob
1 x Storage Bag

How To Use:
Take out the product and connect it to use.