POWERPLAY Cold Therapy Hip WrapPowerPlay pump sold separately. Removable gel pack with tricot lining and non toxic gel. Features: Weighs less than half a kilo for the ultimate in portability and convenience Provides 4 8 hours of continuous battery use Features three ports for both cold and compression therapytreat one to three athletes at a time Operates with simple one touch technology Allows for three pressure settings from (50mmHg to 70 mmHg) Intermittent, sequential compression