Sennheiser CX 350BT In-Ear Wireless Black (508382) is an in-ear wireless headphone designed for everyday use, featuring Bluetooth 5.0 for fast and stable connectivity. It supports AAC and aptX Low Latency codecs for high-quality, low-latency audio. With a frequency response of 17 Hz to 20 kHz and 112 dB sound pressure level, it delivers detailed and powerful sound. A 28 Ohm impedance and dynamic driver ensure balanced performance. It offers up to 10 hours of battery life with USB-C charging. The Smart Control app allows EQ customization, Podcast Mode, and firmware updates. Biocompatible silicone ear tips provide comfort and effective noise isolation.