Charging base for Amazfit Watches Compatible with Amazfit GTR 2, GTR 2e, GTS 2, GTS 2e, GTS 2 mini, Pop, Pop pro, Bip U, T-REX Pro, Zepp E, Zepp Z. As shown in the photo, the 2 parts can be printed at the same time. The assembly is very simple, the magnetic charger is inserted in the upper part (TOP) and then it is assembled with the lower part (BASE). If you want more adhesion, you can put a few drops of glue. AmazfitWatches