Bluetooth 5.0 technology for effortless, reliable connectivity including AAC and aptX Low Latency codec support Active Noise Cancellation for uninterrupted listening pleasure 30-hour battery life with USB-C fast charging Compact folding design crafted from high-quality materials to provide the perfect balance of minimalist style, ergonomic comfort, and take-anywhere durability Intuitive controls including Virtual Assistant button for Siri and Google Assistant Sennheiser Smart Control App support provides an intuitive equalizer to customize your sound experience