Sennheiser True Wireless Black (508900) is a fully wireless in-ear headphone designed for everyday use. It features 7 mm dynamic drivers delivering balanced and detailed sound across a 5 Hz – 21 kHz frequency range. The closed-back design provides passive noise isolation, though it does not include active noise cancellation (ANC). With Bluetooth 5.1 and support for aptX, AAC, and SBC codecs, it ensures stable and high-quality wireless connectivity. A dual-microphone system with beamforming improves voice clarity during calls. Touch controls allow easy management of music and calls. It offers up to 7 hours of playback, with fast charging providing 1 hour of use from just 10 minutes. Its lightweight and compact design makes it ideal for daily use.