Sennheiser Cx True Wireless Headphones - Black, Black

A first-rate listening experienceWith ergonomic design, intuitive controls and crystal-clear sound that you can easily adjust to your personal taste. Features: Don&#146;t compromise on soundImmerse yourself with Passive Noise Cancellation, added Bass Boost, Built-In Equalizer and the bespoke TrueResponse Transducer.Superior audioWherever you are, whatever you do; enjoy your favorite tracks to the max with the bespoke TrueResponse Transducer for crystal-clear sound.Intense grooveWith the Bass Boost added and the Built-In Equalizer activated via the Smart Control App, you can have your sound your way.Skip the noiseYou can forget about your surroundings and get lost in the music or focus on your call thanks to the Passive Noise Cancellation Don&#146;t compromise on comfort4 sizes of ear adapters for the perfect fit, customizable touch controls for the perfect settingsEasy to wearThe eye-catching ergonomic design assures superb wearing comfort. And with ear adapters in 4 sizes, it&#146;s easy to achieve a perfectly secure fit for any activity.At your fingertipsCustomizable touch control enables easy control of audio, phone calls and fast access to Siri and Google Assistant.Even in the rainGo outside at any time to have an outstanding audio experience, even when it&#146;s wet; you can rely on their IPX4 splash resistance CX True WirelessEnjoy Passive Noise Cancellation, an eye-catching ergonomic design and the bespoke TrueResponse Transducer for crystal-clear sound Passive Noise CancellationIPX4 splash resistancePersonalized controlsUp to 27 hours play time Article number (SKU): 508973 (black)Wearing style: true wireless stereo earphonesEar coupling: ear canalFrequency response (speaker): 5 Hz to 21 kHzTransducer principle: dynamic, closed-backTransducer size: 7 mm, TrueResponse&#153;Sound pressure level (SPL): 110 dB (1 kHz/0 dBFS)Total harmonic distortion (THD): < 0,08 % (1 kHz, 94 dB SPL)Frequency response (microphone): 100 Hz to 10 kHzBattery supply: built-in Lithium rechargeable batteries, 3.7 VMicrophone pick-up pattern: 2-microphone beamforming arrayCharging time: 1.5 h for full charge / 15 min for 1 h playtimeBattery supply (earbuds): 55-72 mAhBattery supply (charging case): 400-420 mAhCharging port: USB charging via USB-C socket of the charging caseOperating time (earbuds): 9 hrsOperating time (charging case): 27 hrsCharging time: approx. 1.5 hrsBluetooth version: Bluetooth 5.2Bluetooth profiles: HFP, AVRCP, A2DPBluetooth Audio Codec: aptX, AAC, SBCBluetooth output power: 10 mW (max)Weight (earbuds): 6gWeight (charging case): 37gTemperature range (operation): 0 to +40°CRelative humidity (operation): 10 to 80%, non condensing Specifications: Colour: Black Model Number: W-508973