Up to 50 hours of battery life. Fast Fuel means a quick 10-minute charge gives up to 5 hours of playback. Industry-leading Class 1 Bluetooth for extended range and fewer dropouts. Custom-built 40 mm transducers minimize electronic artifacts, latency, and distortion for extraordinary clarity and range. Personalized Spatial Audio with dynamic head tracking. Ultralight (217g) ergonomic design for all-day comfort. Flex-grip headband and ergonomically angled, adjustable ear cups for a stable fit. UltraPlush ear cushions are designed for comfort and durability.