Info from manufacturer.
IN-USB-3 USB Foot Pedal by Infinity
nfinity NUSB3 USB Transcription Foot Pedal
ECS Dictation Foot Pedals for sale
Аксессуары ECS для диктовки - огромный выбор по лучшим ценам
The new Infinity IN-USB-3 digital foot pedal has been engineered for infinite performance. It is compatible with most applications that accept USB
IN-USB-3 USB Foot Pedal by Infinity
How to Transcribe efficiently using a Foot Pedal
How can I reassign a USB foot pedal? - Microsoft Community
Digital Dictation Equipment, Transcription Devices
ECS-IN-USB-1 Foot Pedal Transcription Foot Control
INFINITY IN-USB-1 Computer Transcription Foot Pedal Switch for