• Voice assistant compatibility allows easy voice control of compatible smartphones<br> • Lightweight, comfortable soft earpad design<br> • Swivel design folds flat for easy storage while traveling<br> • Deep bass sound with bass boost function for dynamic bass sound (on/off)<br> • Drivers: 30.7 mm<br> • Frequency response: 20 Hz to 20 kHz<br> • Nominal impedance: 32 ohms<br> • Bluetooth(R) 4.1 with up to 32.8 ft. range<br> • Integrated remote and microphone for smartphones<br> • Up to 17 hours of wireless listening with built-in rechargeable battery<br> • Charges in approximately 3 hours<br> • Includes micro USB charging cable<br> • Warm Gray;