Feature: 1. : 1: 1 real machine mold opening, this product is suitable for Fit Pro, not for other earphones. 2. Switch Buckle Design: The switch buckle prevents the earphone from falling off, with a switch lock. When cover is closed, the switch is locked to prevent it from falling off. 3. High Quality Material: High elastic TPU (anti perspiration, washable, non yellowing) composite material, which can effectively reduce impact and protect the headset when it falls. 4. Anti-loss: Equipped with a anti loss mountaineering buckle+anti loss lanyard, it is durable and tensile, integrally molded, multiple insurance, fearless of loss, and convenient to carry outside. 5. Reserved Charging Port: The precise hole position does not affect wireless charging, and there is no need to remove the protective cover. Precisely reserve charging port, and reserve the charging indicator port. Specification: Applicable model: for Fit Pro note: The factory batches are different. If there are slight differences in the accessories, it does not affect the use. Material: Silicone+TPU colour: D-Transparent yellow 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.