beyerdynamic Connecting Cable Xelento, Double-Sided Cable with MMCX Connector, Bluetooth receiver with 3-button remote control, First-class Bluetooth transmission (Qualcomm aptX HD and AAC), High resolution sound on the go with up to 8 hours of battery life, Exclusive materials like silver-plated cable and aluminium battery housing, Integrated 3-button remote control with hands-free microphone, Cable length: 0.4 m, Includes USB-A to micro USB charging cable