Sony WH-1000XM4 Wireless Noise Cancelling Headphones Accessories just unfold your mobile phone’s

just unfold your mobile phone’s screen to your best angle for hands-free pics and video calls

MacBook Air (2018 and later)

and Bluetooth 5

7 Days Replacement warranty for manufacturer faulty and 1 Year service support

Sony WH-1000XM4 Wireless Noise Cancelling Headphones Accessories just unfold your mobile phone’sProduct Details General Features HEADPHONE TYPE Closed, dynamic DRIVER UNIT 40mm, dome type (CCAW Voice coil) MAGNET Neodymium DIAPHRAGM Aluminum coated LCP FREQUENCY RESPONSE 4Hz 40,000Hz FREQUENCY RESPONSE (ACTIVE OPERATION) 4Hz 40,000Hz FREQUENCY RESPONSE(BLUETOOTH COMMUNICATION) 20Hz 20,000Hz (44. 1kHz Sampling) 20Hz 40,000Hz (LDAC 96kHz Sampling, 990kbps) SENSITIVITIES (DB MW) 105dB mW (1kHz) (when connecting via the headphone cable with the unit