【Charging and Syncing】: The charging case for Airpod Pro 1 / Pro 2 is not only for charging, but also for syncing with your i-Phone or i-Pad. A sync button is included on the front of the case. Our airpod charging case has been upgraded with a better chip for more powerful performance. It protects your device from current, voltage, and overcharging. Note: Press and hold the pairing button for 15 seconds to turn off the sound. 【Replacement Charger Case】: The charger case is specifically designed for Airpods Pro 1 or Pro 2 USB C ports. It serves as an ideal backup in case of loss or damage to the original charging case for AirPod Pro. Press and hold the pairing button for 5 seconds, press and hold the pairing button for 5 seconds, pe-pe-pe-pair. 【Large Capacity Built-in Battery】: This Airpod Pro 1 / 2 charging case has a built-in 660mAh lithium battery, which is enough to charge EarPods Pro 2 five times. Battery charging time: 5 hours; Airpod charging time: 15 minutes. This is just a wireless charging case, air pods are not included. 【Supports QI Wired and Wireless Charging】: The wireless charger case for Airpod Pro 1st or Pro 2nd generation has passed 3C certification. The Airpods Pro charging case supports both QI wireless charging and Lightning cable charging. Compatible with all standard wireless chargers. Please use the air pods for a long time. Note: Both air pods must be placed in the charging case to start pairing and charging.