| Feature | Specification |
| Article number (SKU) Sakura | 800090 |
| Article number (SKU) Cream | 700446 |
| Article Number (SKU) Black | 700430 |
| Wearing style | True wireless stereo earphones |
| Ear coupling | In-Concha |
| Connectivity | Bluetooth 5.3 compliant, class 1, 10 mW (max) Bluetooth Classic |
| Transmission freq/modulation | 2,402 MHz to 2,480 MHz; GFSK, π/4 DQPSK / 8DPSK |
| Supported profiles | A2DP, AVRCP, HFP |
| Supported codecs | SBC, AAC |
| Speaker principle | Dynamic |
| Speaker type/size | Dynamic, 11mm diameter |
| Speaker frequency range | 25 Hz to 15 k Hz ( @ 90dBSPL ) |
| Speaker sensitivity | 109 dB SPL (1 kHz / 1 mW) |
| Speaker THD | <0,08% (1kHz / 94dB) |
| Speaker impedance | Not applicable (active BT headphones) |
| Active Noise Cancellation | n/a |
| Mic principle | MEMS |
| Mic frequency range | 100 Hz to 10 kHz |
| Mic pick-up pattern | 2 mics per earbud, beamforming for noise reduction |
| Battery lifespan | Up to 6 hrs music playtime with earbuds/Up to 24 hrs overall music playtime with charging case (test condition: iPhone, mid volume level 85dB) |
| Charging time | Approx. 1 hrs for fully charged/After 10 min charging 1 hrs music playtime |
| Battery type | Built-in Lithium-Ion rechargeable batteries/Earbud: 36mAh(MBT) / 35 mAh(VDL), Charging case: 400 mAh |
| Power supply | 5 V⎓, 500 mA max/USB charging via USB-C socket at charging case |
| Weather resistance | IPx4, splash resistant (earbuds only) |
| Product weight | 38g (both earbuds and charging case)/4.35g (single earbud) / 29.3g (charging case) |
| Product dimension | 51.77x 50.18 x 25.36 mm (earbuds and charging case) |
| Operating condition | Operating Temp: 0 to +40°C, Charging Temp: 5 to 35℃/Rel. humidity 10 to 80%, non-condensing |
| Storage condition | Temp: –20 to +60°C/Rel. humidity 10 to 90% |
| Country of origin | Designed by Sennheiser in Germany, Made in China |
| Custom tariff code | 851762 (BT headsets) |
| HAZMAT UN # | UN 3481 |
ACCENTUM Open Specifications
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