The Hama Calypso Wireless Bluetooth Headphones offer great comfort, amazing sound and wireless connectivity, all encased in beautiful design. The Calypso come with soft cushions that sealed environment for you to enjoy your music undisturbed by surroundings. Intuitive controls conveniently placed on the earcup let you adjust the volume or pause tracks. There's also the bass boost button, so that you can really crank up the bass for tunes that need it. Connect these headphones to your favourite audio device using Bluetooth 5.0. You can keep 2 devices connected at the same time and switch between them when you use them. You can also use these headphones for hands-free calls. The multifunction button on the side of the earcup allows you to answer incoming calls on a connected smartphone. These wireless headphones offer battery life of up to 12 hours or 24 hours when in stand-by mode. When you run out, you can use the audio cable to carry on listening.