Dynamic Active Noise Cancellation, Integrated Apple H1 Chip, Flexible Secure-Fit Wingtips, IPX4 Sweat & Water Resistance , Up to 6 Hours of Playback with ANC, Charging Case with 18 Extra Hours Transparency Mode Lets Outside Noise In , Accelerometer Can Detect When You Speak. Dual Beamforming Mics for Clear Calls. Class 1 Bluetooth for Longer Range