Play by your own rules.
Power through your day with the new ACCENTUM True Wireless. Featuring an ultra-comfortable ergonomic design and long-lasting battery life that will ensure a premium all-day listening experience. From sunrise to sunset, immerse yourself in high-quality Sennheiser sound, blocking all distractions with Hybrid Active Noise Cancellation for an unparalleled listening experience.

Key features:
•    Outstanding All-Day Comfort: Designed for extended listening comfort based on ergonomic in-ear research
•    Superior Sound Quality: TrueResponse acoustic technology for Sennheiser’s signature sound, customizable through the Smart Control App for a personalized audio journey
•    Effective Noise Cancellation: Hybrid Active Noise Cancellation ensures an immersive listening experience, blocking distractions in any environment
•    Extended Battery Life: Up to 8 hours of playtime with an additional 20 hours from the charging case for uninterrupted all-day audio
•    Versatile Charging Options: Convenient Qi wireless or USB-C charging options for the case to keep you powered up effortlessly
•    Transparency Mode: Instantly tune into surroundings without removing earbuds for situational awareness
•    Cutting-Edge Wireless Technology: Bluetooth 5.3 compatibility and Bluetooth LE Audio for advanced connectivity, including Auracast wireless audio

Product specification
•    Wearing style : True wireless stereo earphones
•    Ear coupling :Ear canal
•    Connectivity : Bluetooth 5.3 compliant, class 1, 10 mW (max) / Bluetooth Classic and LE Audio supported
•    Transmission frequency/ modulation : 2,402 MHz to 2,480 MHz; GFSK, π/4 DQPSK / 8DPSK
•    Supported profiles A2DP, AVRCP, HFP, TMAP, PBP
•    Supported codecs SBC, AAC, aptX™, LC3
•    Speaker principle : Dynamic
•    Speaker type/size : TrueResponse™ dynamic, 7mm diameter
•    Speaker frequency range : 5 Hz to 21 kHz
•    Speaker sensitivity : 107 dB SPL (1 kHz / 1 mW)
•    Speaker THD : <0,08% (1kHz / 94dB)
•    Speaker impedance Not applicable (active BT headphones)
•    Active Noise Cancellation : Hybrid ANC
•    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 8 hrs music playtime with earbuds (ANC off); Up to 6 hrs music playtime with earbuds (ANC on); Up to 28 hrs overall music playtime with charging case (Test condition: iPhone, mid volume level 85dB)
•    Charging time  : Approx. 1.5 hrs for fully charged; After 10 min charging 1 hrs music playtime; Remark: Ambient temperatures <15°C or >30°C and Qi wireless charging leads to extended charging times
•    Battery type : Built-in Lithium-Ion rechargeable batteries - Left/right earbud: 55 mAh - Charging case: 400-420 mAh
•    Power supply :  5 V?, 500 mA max; USB charging via USB-C socket at charging case; Qi Wireless charging
•    Magnetic strength field : Earbuds: 53.7 mT, charging case: 101.7 mT
•    Weather resistance IP54, splash resistant (earbuds only)
•    Product weight : 52 g (both earbuds and charging case) /  5.5 g (single earbud) / 41 g (charging case)
•    Product dimension 49.45 x 51.72 x 28.95 mm (earbuds and charging case)
•    Operating condition Operating Temp: 0 to +40°C
•    Charging Temp: 5 to +35°C - Rel. humidity 10 to 80%, non-condensing
•    Storage condition Temp: –20 to +60°C / Rel. humidity 10 to 90%
•    App support Sennheiser Smart Control app for iOS™ and Android™