Dyson OnTrac™ headphones deliver professional-level noise cancellation and audio performance. Eight active noise-cancelling microphones block up to 40dB of unwanted sound, while dual beam-forming microphones ensure crystal-clear calls. Quickly switch between Isolation and Transparency modes with double-tap ANC, and enjoy up to 55 hours of playback with ANC on. A 10-minute charge provides 2.5 hours of extra battery life, and the durable CNC aluminum construction ensures long-lasting quality. Soft microfiber ear cushions and three preset EQ modes make listening comfortable and customizable, and the MyDyson app adds personalized control. Auto-off after 30 minutes conserves energy for maximum convenience. Includes: OnTrac slimline case, USB-C charging cable. Dimensions: 4.1" L x 7.87" W x 8.27" H .