The bottom of the leather case has a charging hole for convenient charging. The ring buckle can be installed and taken, and it is easy to carry. It feels good, easy to clean, non-sticky and non-sticky. There is an indicator light observation hole, which is convenient to check the charging status. Use buttons for comfortable opening and closing. Specification: Material:Leather Size:Approx.5.5x5.5cm/2.17x2.17inches Color:Black/Blue/Khaki/Red Compatible with Samsung-Galaxy Buds 2 Package Includes: 1x Protective Case note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.