ACCENTUM Wireless Specifications

Feature	Specification
Article number (SKU) Black	700174
Article number (SKU) White	700175
Wearing style	Headband stereo headphones
Ear Coupling	Around-the-ear, circum-aural
Connectivity	Bluetooth 5.2 compliant, class 1, 10 mW (max)
Transmission frequency / modulation	2.402 MHz to 2.480 MHz; GFSK, π/4 DQPSK, 8 DPSK
Supported Profiles	A2DP, AVRCP, HFP, HSP, GATT
Supported codecs	SBC, AAC, aptX™, aptX HD™, mSBC, CVSD
Speaker principle	Dynamic
Speaker type/size	37 mm diameter
Speaker frequency range	10 Hz to 22 kHz
Speaker sensitivity	106 dB SPL (1 kHz / 0 dBFS)
Speaker THD	<0.3% (1 kHz / 100 dB SPL)
Active Noise Cancellation	Hybrid ANC
Mic principle	MEMS
Mic frequency range	50 Hz to 8 kHz
Mic pick-up pattern	2 mics, beamforming for noise reduction
Battery lifespan	Up to 50 hrs music playtime via Bluetooth and with ANC (test condition: iPhone, medium volume level)
Charging time	Approx. 3 hrs for full charge; After 10 min charging up to 5 hrs music playtime
Battery type	Built-in Lithium-Ion rechargeable battery 800 mAh
Power Supply	5 V⎓, 700 mA max, USB charging via USB-C socket
Magnetic field strengthark	3.0 mT
Product weight	0.222 kg
Dimensions (with feet)	Approx. 16.5 x 19.5 x 4.8 cm
Dimensions dimension (without feet)	Approx. 16.5 x 19.5 x 4.8 cm
Temperature range (operation)	0 °C to +40 °C
Temperature range (charging)	+10 °C to +40 °C
Temperature range (storage)	-20 °C to +60 °C
Relative humidity (operation)	10 to 80%
Relative humidity (storage)	10 to 90%
App support	Sennheiser Smart Control app for iOS™ and Android™

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