Air Pro 4 Bluetooth Earphones Wireless/Hands-Free Headset With Microphone1. 80% transparency mode for iOS 2. 50% noise cancellation mode for iOS 3. GPS location 4. Rename Rename 5. Force touch pressure sensor New Features: 1. Listening to songs and calls, supporting listening to songs and making calls, 2. Caller number, last code callback, full intelligent Chinese and English tone prompts, power on, pairing, power off and off the phone, etc. 3. Each time the Bluetooth headset is connected to the phone, the Bluetooth