For: Smartwatch/Traditional Watches 
Compatible with Apple Watch® via adapters. Compatible with most Android®-based smartwatches and traditional watches via quick release. Officially licensed by The Tetris™ Company.
Features
-Compatible with Apple Watch® via adapters
-S/M 38mm/40mm adapter included
-M/L 42mm/44mm adapter included
-Compatible with most Android®-based smartwatches and traditional watches via quick release
-Officially licensed by The Tetris™ Company