MX Type-C Female to Micro USB Type B 2.0 Male Data Sync Adapter and Without Cable Charging Connector for Smartphones and Tablets (MX-4090) – MX MDR TECHNOLOGIES LIMITED
Elinchrom Sync Adapter To 6.5mm Jack
Charger Adapter Sync Adapter 5V 2A for Android Tablet Connection 2.5 x 0.8 mm Length Cable 180 cm : Amazon.co.uk: Computers & Accessories
Kalt 3-Way Flash Sync Adapter NP11121 B&H Photo Video
EteSync - Secure Data Sync | F-Droid - Free and Open Source Android App Repository
ALM DIN Sync To TRS Adapter Cable at Juno Records.
Promaster Standard Hot Shoe to PC Sync Adapter - Bedford Camera & Video