Charging: Charge in 2.5 hours with the included cable, for five hours of working time. Colours: Choose from black, light grey or dark grey colours. Cordless music headband: Get a Bluetooth music headband! Music: Let you listen to music easily, whilst exercising, sleeping or chilling. Spec: 30ft transmission distance with V3.0+EDR Bluetooth technology, plus removable speakers so you can wash the headband. Size: Designed to fit head circumferences between 56-62cm. Bluetooth Music Headband | Black | Living Social