Feature●Compatible models: Compatible with EarFun Free Pro 3 Bluetooth earphones. Note: The package does not include earphones, charging case and charger. Earphone protective cover and metal hook included●【SMOOTH PROTECTIVE COVER】Made of high quality silicone material, it feels like silk while providing excellent protection from scratches, dirt, water and dust. If it gets dirty, it can be washed directly●【Perfect Fit】The internal design fits perfectly into the body and the Velcro strap keeps the earphones securely in place. Please peel and stick the velcro when you receive the item●(Hollow Design) The built-in charging port design allows you to charge it anytime and anywhere without having to remove the protective cover. All the functions of the earphone can be used normally●Convenient to Carry: Comes with an exquisite metal carabiner that can be carried with your keys or bag. You can enjoy music while traveling, business trips, and long bicycle ridesDescription Good