![Griffin PowerMate Multimedia Control Knob for USB Computers, Black - Assignable USB multimedia controller. {link removed} for Sale in Walnut, CA - OfferUp Griffin PowerMate Multimedia Control Knob for USB Computers, Black - Assignable USB multimedia controller. {link removed} for Sale in Walnut, CA - OfferUp](https://images.offerup.com/IccDb9ycHOjvyp09IYj3DW9c-ds=/1125x1587/d7b1/d7b140d5bde24174a0b8a7f77f194aac.jpg)
Griffin PowerMate Multimedia Control Knob for USB Computers, Black - Assignable USB multimedia controller. {link removed} for Sale in Walnut, CA - OfferUp
![USB Audio Volume Controller Knob, Volume Adjuster Rotary Computer Speaker Volume Control Switch For Win7/8/10/XP/Mac/Vista Android (Black) - Walmart.com USB Audio Volume Controller Knob, Volume Adjuster Rotary Computer Speaker Volume Control Switch For Win7/8/10/XP/Mac/Vista Android (Black) - Walmart.com](https://i5.walmartimages.com/asr/3509335f-4218-404e-810c-45a6c1f27fd5_1.94decd5e5412ef03c21fa2402743b006.jpeg)
USB Audio Volume Controller Knob, Volume Adjuster Rotary Computer Speaker Volume Control Switch For Win7/8/10/XP/Mac/Vista Android (Black) - Walmart.com
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Aimos Usb Audio Volume Controller Knob, Volume Adjuster Rotary Computer Speaker Volume Control Switch For Win7/8/10/xp/mac/vista - Kvm Switches - AliExpress
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![Griffin PowerMate Bluetooth review: The Griffin PowerMate Bluetooth adds a sleek programmable control knob to your Mac (first take) - CNET Griffin PowerMate Bluetooth review: The Griffin PowerMate Bluetooth adds a sleek programmable control knob to your Mac (first take) - CNET](https://www.cnet.com/a/img/resize/968f11b5c5495a164860fbe3f2fd28bcb41fe162/hub/2014/01/05/e0ef1461-84ca-11e3-beb9-14feb5ca9861/Griffin_PowerMate_large.jpg?auto=webp&width=1200)
Griffin PowerMate Bluetooth review: The Griffin PowerMate Bluetooth adds a sleek programmable control knob to your Mac (first take) - CNET
![1: The PowerMate by Griffin Technologies was used as the knob like device. | Download Scientific Diagram 1: The PowerMate by Griffin Technologies was used as the knob like device. | Download Scientific Diagram](https://www.researchgate.net/publication/39066030/figure/fig12/AS:497527297449985@1495631159696/The-PowerMate-by-Griffin-Technologies-was-used-as-the-knob-like-device.png)
1: The PowerMate by Griffin Technologies was used as the knob like device. | Download Scientific Diagram
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