JOWOOM T2 Multi functional Smart Guitar Tuner Peg String Winder for Guitar Ukulele Chromatic Tuning Built in Lithium Battery|Guitar Parts & Accessories| - AliExpress
Jowoom T2 Automatic Smart Tuner, White at Gear4music
Motorized Automatic Guitar Tuner and how to use it. The Jowoom T2 Smart Tuner/Winder. - YouTube
JOWOOM T2 Smart Automatic Guitar & Ukulele Tuner | Fast Acoustic Guitars Auto-Tuner With 180RPM Electric String Winder | Safe & Professional Grade Tuner For Ukuleles | USB Rechargeable Battery | Black : Musical Instruments - Amazon.com