Top features: – Go wireless with Bluetooth technology – Long lasting battery life lets you listen all day – Built-in microphone and remote control means you can take control – Foldable design for easier transport Go wirelessThe AKG Y50BT Wireless Headphones feature Bluetooth technology, letting you wirelessly listen to your music collection from any compatible smartphone or tablet. Simply select the device you wish to pair with your headphones and get listening. Long lasting battery lifeListen to your music for longer. The AKG Y50BT Headphones features a rechargeable battery that provides up to 20 hours of playback. A detachable cable is included so you can plug in anywhere should you run out of battery for Bluetooth listening. Built-in microphone and remote control A built-in microphone means you won’t have to miss any important calls. Buttons on the ear cup provide access to controls letting you take calls, adjust volume, play, or pause and skip music tracks. Foldable design for easier transport A foldable design makes the AKG Y50BT Wireless Bluetooth Headphones easier to transport in your bag or suitcase. The 3D-Axis folding mechanism lets the earcups neatly fold towards each other so they take up less space.