Upgrade your XO remote controller to this wristband 12 intense functions of vibration when paired with your favorite rechargeable XO remote control stimulator Stimulator not included Fully adjustable watch-like buckle closure Instructions included Extended 32.75 ft range RED certificate included USB rechargeable - dual charging cord included Complete charge in 30 minutes Maximum run time varies based on paired stimulator Wristband adjusts up to 9 in.