Dual beamforming microphones,Inward-facing microphone

• Height: 30.2 mm (1.19″)
• Width: 18.3 mm (0.72″)
• Depth: 18.1 mm (0.71″)
• Weight: 4.3 g (0.15 oz.)

• Height: 46.2 mm (1.82″)
• Width: 50.1 mm (1.97″)
• Depth: 21.2 mm (0.83″)
• Weight: 34.7 g (1.22 oz.)

• Up to 4 hours of listening time on a single charge with Active Noise Cancellation enabled
• Up to 5 hours of listening time on a single charge with noise control off

• Up to 20 hours of listening time with Active Noise Cancellation enabled
• Up to 30 hours of listening time with noise control off
• 5 minutes in the case provides around 1 hour of listening time or around 45 minutes of talk time

• Live Listen audio
• Headphone levels
• Headphone Accommoda­tions

• Optical in-ear sensor
• Motion-detecting accelerometer
• Speech-detecting accelerometer
• Force sensor

• Power Options
  You can charge these AirPods 4 earbuds with a USB Type-C charger, an Apple Watch charger, or a Qi-certified charger. A quick 5-minute charge provides up to an hour of listening or 45 minutes of talk time.
• Seamless Connection
  These earbuds instantly pair with all your Apple devices. They detect when you take them out, pausing your music until they’re back in. You can use the Find My app to locate them if misplaced and keep Siri on standby for hands-free control.
• Long-Lasting Battery
  These earbuds let you enjoy up to 4 hours of listening time with active noise cancellation on, or up to 5 hours with it off. The charging case provides up to 20 hours of listening time with noise cancellation, or 30 hours with it off.