Amazon.com: Airstep Play Online Video & Audio Hands-free Controller for YouTube, Mp3 etc. of Playback, Loop, Speed, Pitch Control on Android, iOS, Mac and PC : Electronics
Amazon.com: Express Scribe Pro Transcription Software with USB Foot Pedal : Electronics
BakTrak The Ultimate MP3 Backing Track Pedal | Reverb
Play your Guitar with Arduino-powered Footswitch - Open Electronics - Open Electronics
FLAMMA FA05 Guitar Amp Electric Guitar Amplifier Digital Combo Amp Bluetooth Mini Portable with 7 Preamp Models 40 Drum Machine AUX IN Support MP3 Format 5 Watt - Walmart.com
NUX MG-20 Guitar Modeling Processor Multi-Effects Pedal with USB & SD – Tegeler Music