About this item Automatic Smart Sleep & Silicone Four-Piece Set Case5 in 1 Soft PU Leather & Silicone Four-Piece Set Protective Case, Included: 1x Smart Hibernation Sleeve, 1x Ear Pad Case Cover, 1x Ear Cups Cover, 1x Headband Cover (up & down) (Note: not included for certain models) High-quality materialsThe Smart Hibernation case is made of leather and is soft and comfortable. The silicone 4-piece case is crafted from soft silicone material that protects against scratches, dust, and dirt, keeping your device looking brand new. Intelligent Sleep ModeThe device activates hibernation mode when placed in the Smart Hibernation case, effectively saving power and allowing for longer usage. The silicone 4-piece case can remain on without interfering with the functionality of the Smart Hibernation case. Perfect FitOur product fits perfectly, with accurately positioned holes that do not affect charging and other functionalities. Dimensions: 8.9 x 5.08 x 1.85 inches.