Power USB Power: No USB Type-C charging port: Yes Required charging power (max): 3.5 W Required charging power (min): 2.5 W Weight and dimensions Product height: 187.3 mm Product weight: 386.2 g Product depth: 83.4 mm Product width: 168.6 mm System requirements Mac operating systems supported: Yes Mobile operating system support: iOS Efficiency Audio chip: Apple H1 Control Type: Buttons, Rotary Accelerometer: Yes Headset type: Stereo Gyroscope: Yes Wearing style: Headband Product type: Headset Application: Calls/Music Product color: Orange Volume control: Rotary Case Detection Sensor: Yes Optical sensor: Yes Personalized surround sound: Yes Position sensor: Yes Apple Siri compatibility: Yes Adaptive Equalizer: Yes Package contents Cables: USB Type-C Suitcase: Yes AC adapter: No Charger: Yes Carrying case weight: 134.5 g Ports and interfaces Connection method: Wireless USB connector: USB Type-C Bluetooth: Yes USB connection: Yes Bluetooth version: 5.0 Battery Music playback time: 20 h Other functions Built-in audio decoders: Dolby Atmos Microphone Microphone type: Built-in microphone Number of built-in microphones: 9 Noise-canceling microphone: Yes Safety warning Warnings Do not use near sources of heat or fire. Check the condition of the batteries regularly to prevent leakage. Keep away from children. Headphones Headphone construction: Circumaural Noise reduction type: Active Driver Type: Dynamic Noise Cancellation: Yes Transparency mode: Yes Sustainable development Does not contain PVC BFR Mercury