Sennheiser Momentum 4 Noise Canceling Wireless Overear Headphones - Black

Details International Model Sennheiser Momentum 4 Noise Canceling Wireless Over-Ear Headphones are designed to enjoy audio in peace. Three modes of active noise cancellation work to filter out ambient sounds. Features Smart pause which allows music automatically pauses when you take your headphones off, and restarts when you put them back on. They offers folding design to provide easy portability while the earcups and headband are both cushioned and wrapped in genuine leather to give maximum comfort. Moreover with Momentum 4 you can enjoy your music all day long with up to 60 hours of power. NOTE: Due to health and hygiene reasons, headphones and some wearables can only be returned for a full refund if they are unopened within 30 days of purchase and are completely sealed or faulty. For this reason, if you change your mind about your purchase of headphones or wearable product they must be completely unopened. Please refer to the Estimated Delivery Time Frame, available in the product listing for expected delivery time to your address. No delivery to PO Box addresses or Parcel Lockers (please provide residential or business address at checkout). Once payment is confirmed, items will be dispatched the next business day. Specs Wearing style Headband stereo headphones Ear Coupling Around-the-ear, circum-aural Connectivity Bluetooth 5.2 compliant, class 1, 10 mW (max) Transmission frequency 2,402 MHz to 2,480 MHz; GFSK, p/4 DQPSK / 8 DPSK Supported Profiles A2DP, AVRCP, HFP Codecs SBC, AAC, aptX, aptX adaptive Speaker Type Dynamic Speaker Type 42mm diameter Speaker frequency range 6 Hz to 22 kHz Speaker sensitivity 106 dB SPL (1 kHz / 0 dB FS) Total harmonic distortion (THD) Speaker: <0,3% (1 kHz / 100 dBSPL) Impedance Speaker: Active 470 ohms / Passive 60 ohms Active Noise Cancellation Hybrid Adaptive ANC Microphone principle MEMS Frequency response (microphone) 50 Hz to 10 kHz Microphone pick-up pattern 2 mics per side, beamforming for noise reduction Battery time Up to 60 hrs music playtime via Bluetooth and with ANC (test condition: iPhone, mid volume level) Charging time Approx. 2 hrs for full charge; 5 min charging for up to 4 hrs playtime; Remark: Ambient temperatures >30oC may lead to extended charging times Battery type Built-in Lithium-Ion rechargeable batteries 700 mAh Power Supply 5 V, 800 mA max, USB charging via USB-C socket Sennheiser Signature Sound Adaptive Noise Cancellation Premium Comfort Up to 60 hours of battery life