Sensor:
Both earbuds use built-in capacitive sensors
Charger Type:
Fast charging 20W, 50% in 30 min (advertised), USB Power Delivery 2.0, MagSafe wireless charging 15W, Qi magnetic fast wireless charging 7.5W or Fast charging 20W, 50% in 30 min (advertised)/ USB Power Delivery 2.0 / Qi fast wireless charging 15W
Material:
Memory Cable + Metal Cavity + Liquid Silicon