Neck and shoulder warmer : Get a neck and shoulder hot water bottle. Pain relief: Soothe aches and pains. Power: Detachable 450W clip on power lead. Portable: No boiling required means that this hot water bottle is easy to use and to take on-the-go. No scalding risk: The neck and shoulder hot water bottle is permanently sealed, with a built-in thermostat. Comfortable material: Super-soft flannelette for ultimate comfort. Rechargeable Neck And Shoulder Warmer | Living Social