Embrace all-new technology with the 2-in-1 Bluetooth Earphone Sun Glasses Stylish slim shades with built-in Bluetooth technology to connect to your smartphone Ear piece allows you to listen to music or make calls Great for using while hiking, cycling or doing sports Long transmission range of up to 10 meters Generous standby time of around 150 hours Super lightweight at just 50g making them suitable for long-term wear  Speak on the phone for up to 6 hours without running out of charge Includes a USB charging cable and cleaning cloth Get the 2-in-1 Bluetooth Earphone Sun Glasses for 14.99 pounds instead of 29.99 pounds