Smartphone compatible: Works with Bluetooth 5.0+ within a 10m range. Headphones: Get a pair of wireless Bluetooth earbuds. Play/talk time: Enjoy up to four hours of play time with 120 hours of standby time. Microphone: Features a built-in mic so you can take calls too. Rechargeable: Comes with a handy charging case and can be charged in around an hour. Five colours: Valid in black, white, blue, green and pink. Next Gen Wireless Bluetooth Earbuds | Green | Living Social