Seamless CompatibilitySpecially designed for Apple AirPods 4 to ensure perfect fit and function Smart PairingFeatures a smart pop-up window for easy pairing with AirPods 4 Wireless Charging SupportSupports wireless charging, enjoy the convenience of wireless charging for your headphones Large Capacity BatteryEquipped with a 620mAh battery for extended use time between charges USB-C Charging PortEquipped with the latest USB-C charging port, providing fast and versatile charging options Specifications: Compatibility: For Apple AirPods 4 Charging Type: USB-C Battery Capacity: 620m Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.