Sennheiser True Wireless Stereo Earphones with Noise Cancellation - CXTW BK

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A first-rate listening experience

With ergonomic design, intuitive controls and crystal-clear sound that you can easily adjust to your personal taste.

Don’t compromise on sound

Immerse yourself with Passive Noise Cancellation, added Bass Boost, Built-In Equalizer and the bespoke TrueResponse Transducer.

Don’t compromise on comfort

4 sizes of ear adapters for the perfect fit, customizable touch controls for the perfect settings

CX True Wireless

Enjoy Passive Noise Cancellation, an eye-catching ergonomic design and the bespoke TrueResponse Transducer for crystal-clear sound.

What's included
What's included	CX True Wireless Earbuds, Silicone ear adapter sets (XS, S, M, L), Charging Case, USB-C Cable Quick Guide & Safety Guide
Specifications
Relative humidity (operation)	10 to 80%, non condensing
Weight (charging case)	37g
Temperature range (operation)	0 to +40°C
Weight (earbuds)	6g
Active Noise Cancellation	false
Bluetooth output power	10 mW (max)
Bluetooth version	Bluetooth 5.2
Bluetooth profiles	HFP, AVRCP, A2DP
Bluetooth Audio Codec	aptX®, AAC, SBC
Charging time	approx. 1.5 hrs
Operating time (earbuds)	9 hrs
Operating time (charging case)	27 hrs
Charging port	USB charging via USB-C socket of the charging case
Battery supply (earbuds)	55-72 mAh
Battery supply (charging case)	400-420 mAh
Charging time	1.5 h for full charge / 15 min for 1 h playtime
Microphone pick-up pattern	2-microphone beamforming array
Battery supply	built-in Lithium rechargeable batteries, 3.7 V
Frequency response (microphone)	100 Hz to 10 kHz
Total harmonic distortion (THD)	< 0,08 % (1 kHz, 94 dB SPL)
Sound pressure level (SPL)	110 dB (1 kHz/0 dBFS)
Transducer size	7 mm, TrueResponse™
Transducer principle	dynamic, closed-back
Frequency response (speaker)	5 Hz to 21 kHz
Ear coupling	ear canal
Wearing style	true wireless stereo earphones
Article number (SKU)	508973 (black), 508974 (white)