Bluetooth wireless technology with mic and music/volume control built into the earcup for convenient control of devices Internal battery provides 30 hours of continuous use (1,000 hours on standby) on a full charge Supports aptX and AAC codecs, ensuring high-quality wireless transmission NFC (Near Field Communication) functionality enables touch pairing with NFC-compatible Bluetooth wireless technology devices Newly designed 40 mm drivers provide rich, full-range sound reproduction with crystal-clear mid and high frequencies and powerful, detailed bass LED indicator in earcup displays status of pairing, charging and Bluetooth wireless connection Top-mounted PCB design enables smoother airflow for precise diaphragm movement and reduced distortion Stylish round housing design Soft earpads and easily adjustable, padded headband provide a comfortable fit 1.2 m (3.9') cable with mic/controls provides a wired connection for when wireless operation is prohibited (e.g., in airplanes or hospitals) or when battery power is low Foldable for space-saving portability Remembers up to eight previously paired devices and automatically connects with last paired device Includes 1.0 m (3.3') USB charging cable Available in black (ATH-AR3BTBK) and white (ATH-AR3BTWH)