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