[Charging and Syncing]: The charging case for Airpod Pro 1 / Pro 2 not only for charging, but also syncing with your i-Phone or i-Pad. It comes with a sync button in the front of the case. Our Air pods charging case has been upgraded with a better chip for more powerful performance.will protect your device from short circuit, over current, over voltage and over charge.NoteLong press the pairing button for 15s to turn off the tone [Charger Case Replacement]: Charger case is specifically designed for AirPods Pro 1 or Pro 2 USB C port. It serves as an ideal backup in case of loss or damage to your original charging case for AirPod Pro. Press and hold the pairing button for five seconds with the lid closed to turn off the tone