MOMENTUM True Wireless 4 Specifications

Feature	Specification
SKU (MTW4 Black Graphite)	700365
SKU (MTW4 Black Copper)	700367
SKU (MTW4 White Silver)	700366
Wearing style	True wireless stereo earphones
Ear Coupling	Ear canal
Connectivity	Bluetooth 5.4 compliant, class 1, 10 mW (max); Bluetooth Classic 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™, aptX™ Adaptive/Lossless, 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% (1 kHz / 94 dB)
Active Noise Cancellation	Hybrid ANC
Mic principle	MEMS
Mic frequency range	100 Hz to 10 kHz
Mic pick-up pattern	3 mics per earbud, beamforming for noise reduction
Battery lifespan	Up to 7.5 hrs music playtime with earbuds (ANC off); Up to 7.0 hrs music playtime with earbuds (ANC on); Up to 30 hrs overall music playtime with charging case (test condition: iPhone, mid volume level 85 dB)
Battery type	Built-in Lithium-Ion rechargeable batteries; Left/right earbud: 75 mAh, charging case: 820 mAh
Power Supply	5 V⎓, 1000 mA max; USB charging via USB-C socket at charging case; Qi Wireless charging
Magnetic strength field	Earbuds: 0.95 mT, case: 105 mT
Weather resistance	IP54, dust and splash resistant (earbuds only)
Product Specification	72.4 g (both earbuds and charging case); 6.2 g (single earbud); 66.4 g (charging case); 70.1 x 44.6 x 34.8 mm (earbuds and charging case)
Operating condition	Operating temp: 0 to +40°C; Charging temp: 5 to 35°C; Relative humidity 25 to 75%, non-condensing
Storage condition	Temp: –20 to +60°C; Relative humidity 10 to 90%
App support	Sennheiser Smart Control app for iOS™ and Android™

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