| Wearing Style | Dual Ear with Headband Foldable: Yes Earpiece Swivel: Yes |
| Earpiece Design | Over-Ear (Circumaural) |
| Active Noise Cancellation | Yes |
| Frequency Response | 10 Hz to 22 kHz |
| Built-In Controls | Yes, on Right Earpiece |
| Sensors | No |
| Noise Cancelling Microphone | Yes |
| Number of Voice Mics | 2 with Beamforming |
| Runtime | 50 Hours (ANC On) |
| Wearing Style | Dual Ear with Headband Foldable: Yes Earpiece Swivel: Yes |
| Earpiece Design | Over-Ear (Circumaural) |
| Open/Closed-Back | Closed-Back |
| Sound Field | Stereo |
| Number of Drivers | 1 per Earpiece |
| Driver Type | Dynamic |
| Driver Size | 1.5" / 37 mm |
| Active Noise Cancellation | Yes |
| Frequency Response | 10 Hz to 22 kHz |
| Sensitivity | 106 dB SPL at 1 kHz |
| Volume Limiting / Child-Safe | No |
| Built-In Controls | Yes, on Right Earpiece |
| Sensors | No |
| Built-In Mic | Yes, on Earpiece |
| Noise Cancelling Microphone | Yes |
| Number of Voice Mics | 2 with Beamforming |
| Microphone Type | MEMS |
| Frequency Response | 50 Hz to 8 kHz |
| Wireless | Bluetooth 5.2 |
| Supported Audio Codecs | AAC, aptX, aptX HD, CVSD, mSBC, SBC |
| Bluetooth Profiles | A2DP, AVRCP, HFP, HSP, GATT |
| Audio Connector | No Wired Audio Support |
| Mobile App Compatible | Yes: Android & iOS App Name: Sennheiser Smart Control Functionality: Adjust Settings, Firmware Update, Remote Control, Setup |
| Runtime | 50 Hours (ANC On) |
| Quick Charging Times | 10 Minutes for 5 Hours |
| Recharge Time | 3 Hours |
| Battery Chemistry | Lithium-Ion |
| Capacity (mAh) | 800 mAh |
| Charging Input | USB-C |
| Wireless Charging | No |
| Color | Black / White |
| Environmental Resistance | No |
| Dimensions | 7.7 x 6.5 x 1.9" / 19.5 x 16.5 x 4.8 cm (Folded) |
| Weight | 7.8 oz / 222 g |
| Package Weight | 1.025 lb |
| Box Dimensions (LxWxH) | 8.9 x 8.8 x 2.1" |