Shure AONIC 50 WH, Bluetooth Headphones, Frequency range: 20 - 22,000 Hz, Sensitivity: 97.5 dB/mW, Impedance: 39 Ohm, 50 mm Dynamic drivers, Adjustable noise cancellation, Battery life up to 20 hours, Range up to 10 meters, Analogue 3.5 mm jack plug for wired usage, USB-C connection for charging, Fingertip control for pause/play, Volume adjustment and call answering, Adjustable sound via ShurePlus PLAY app (free download for iOS and Android), Weight: 334 g, Colour: White / Tan, Includes transport case, 3.5 mm jack plug, and USB-C charging cable