Dynamic driver designed by Apple For a high fidelity sound Active noise cancellation to block external noises and totally immerse yourself in music Transparency mode to listen to the world around you Spatial audio with dynamic detection of the position of the head, for a surround effect from cinema Computational audio combining a unique acoustic design with the H1 chip and software Apple To create a revolutionary listening experience - Weight 384.8 g- Dimensions 187.8 mm x 168.6 mm x 83.4 mm- AIRPODS sensors (each)- optical sensor (in every pavilion), position sensor (in every pavilion), detection sensor case (in each pavilion), accelerometer (in every pavilion), gyroscope (left pavilion)- Battery and power supply- Up to 20 hours of listening with a single charge, with enable noise or transparency mode cancellation. When placing them in the Smart Case, they enter into very low consumption mode to keep the charge. Reload via Lightning connector