Features:

Bluetooth 5.0 connection
Spatial audio with dynamic head tracking
Adaptive EQ
Custom high-excursion Apple driver
Custom high-dynamic-range amplifier
Battery life: up to 30 hours total listening time with the MagSafe Charging Case
Touch controls
Quick access to Siri
Sweat- and water-resistant (IPX4)
Sensors: Dual beamforming microphones, Inward-facing microphone, Skin-detect sensor, Motion-detecting accelerometer, Speech-detecting accelerometer, Force sensor

Includes:

Specifications:

AirPods (each)
Dimensions (H x W x D): 3.08 cm x 1.83 cm x 1.92 cm (1.21 in. x 0.72 in. x 0.76 in.)
Weight: 4.28 g (0.009 lb.)
Case
Dimensions (H x W x D): 4.64 cm x 5.44 cm x 2.14 cm (1.83 in. x 2.14 in. x 0.84 in.)
Weight: 37.91 g (0.084 lb.)

Apple AirPods 4 In-Ear True Wireless Earbuds with USB-C Charging Case - 4th Generation (MXP63LL/A)