Hybrid Noise Cancilation,65 hours play time, Foldable Design,Bluetooth:5.4 and 3.5mm AUX Cable, Bluetooth range 10m, Speaker Diameter:40mm,Play time(under Bluetooth mode):Up to 65 hours (ANC OFF) and up to 44 hours (ANC ON), Charging port Type C, Charging time approx 2 hours.