| Wearing Style | Dual Ear True Wireless Earbud |
| Earpiece Design | In-Ear (Intra-Aural) |
| Active Noise Cancellation | Yes |
| Frequency Response | 5 Hz to 21 kHz |
| Built-In Controls | Yes |
| Sensors | No |
| Noise Cancelling Microphone | Yes |
| Number of Voice Mics | 4 with Beamforming |
| Runtime | 8 Hours |
| Wearing Style | Dual Ear True Wireless Earbud |
| Earpiece Design | In-Ear (Intra-Aural) |
| Sound Field | Stereo |
| Number of Drivers | 1 per Earpiece |
| Driver Type | Dynamic |
| Driver Size | 0.3" / 7 mm |
| Active Noise Cancellation | Yes |
| Frequency Response | 5 Hz to 21 kHz |
| Maximum Sound Pressure Level (SPL) | 107 dB at 1 kHz |
| Built-In Controls | Yes |
| Sensors | No |
| Built-In Mic | Yes, on Earpiece |
| Noise Cancelling Microphone | Yes |
| Number of Voice Mics | 4 with Beamforming |
| Microphone Type | MEMS |
| Frequency Response | 100 Hz to 10 kHz |
| Wireless | Bluetooth 5.3 *Built-In |
| Supported Audio Codecs | AAC, aptX, LC3, SBC |
| Bluetooth Profiles | AVRCP, A2DP, HFP, TMAP, PBP |
| Multipoint Support | No |
| Audio Connector to Earpiece | No Wired Audio Support |
| Mobile App Compatible | Yes: Android & iOS App Name: Sennheiser Smart Control App Functionality: Remote Control, Setup |
| Runtime | 8 Hours |
| Quick Charging Times | 10 Minutes for 1 Hour |
| Recharge Time | 1.5 Hours |
| Battery Chemistry | Lithium |
| Capacity (mAh) | 55 mAh |
| Additional Runtime with Charging Case | 20 Hours |
| Battery Chemistry | Lithium-Ion |
| Capacity | 420 mAh |
| Charging Input | USB-C |
| Wireless Charging | Yes |
| Environmental Resistance | Dust/Water-Resistant (IP54) |
| Weight | 0.2 oz / 5.5 g (Each) 1.8 oz / 52 g (with Charging Case) |
| Package Weight | 0.31 lb |
| Box Dimensions (LxWxH) | 4.6 x 4.4 x 1.7" |