Dimensions: AirPods (each): 0.65 x 0.71 x 1.59" 4g
Lightning Charging Case: 1.74 x 0.84 x 2.11" 38.2g
Power: AirPods with Lightning Charging Case: More than 24 hours listening time,³ up to 18 hours talk time; AirPods (single charge): Up to 5 hours listening time,¹ up to 3 hours talk time; 15 minutes in the case equals up to 3 hours listening time⁴ or up to 2 hours talk time⁵