Feature: 1. Switch buckle design: With switch lock, when cover is on, lock the switch to prevent the headset from falling 2. Double protection: (sweat resistant, washable), material, which can effectively the impact and protect the headset when it falls 3. All inclusive protection: Shock absorption and fall prevention, high elastic material, hollow design at four corners, effectively mitigate the impact of falling, and protect shock absorption in all directions 4. loss prevention: Equipped with anti loss metal carabiner+double ring buckle+anti loss nylon lanyard, multiple insurance, no fear of loss, and easy to carry out 5. Reserved charging port: Precise hole location does not affect wireless charging, no need to remove the protective sleeve, support wireless charging, accurately reserve line charging port, and reserve charging indicator port Specification: Item Type: Earphone Cases Model Number: Headphone Holder Case Model: D12 Features: Anti falling, anti shock, with switch, washable Applicable model: For Fit Pro note: If the color and style of accessories are different, it does not affect the applicability Material: plastic colour: Black Package Contents: 1 x Headphone Case 1 x Carabiner 1 x Lanyard Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.