Sennheiser HD 450BT Wireless Headset Black (508386) is an on-ear wireless headphone designed for everyday use and travel. It features active noise cancellation (ANC) for uninterrupted and focused listening. It delivers deep dynamic bass and supports AAC and aptX Low Latency codecs for high-quality audio. With up to 30 hours of battery life, it is ideal for long use. The Smart Control app provides EQ customization, Podcast Mode, and firmware updates. It supports voice control via Google Assistant and Siri, and includes a built-in microphone for clear calls.