Dimensions
AirPods (each): 0.65 by 0.71 by 1.59 inches (16.5 by 18.0 by 40.5 mm)
Charging Case: 1.74 by 0.84 by 2.11 inches (44.3 by 21.3 by 53.5 mm)
Weight
AirPods (each): 0.14 ounces (4 g)
Charging Case: 1.34 ounces (38 g)
Battery Capacity
AirPods (each): 93 mWh
Charging Case: 1.52 Wh (398 mAh @ 3.81 V)