Keep your mitts toasty with this Rechargeable Hot Water Bottle No hassle and safe to use - as simple as charging your mobile phone. Simply slide the charging cover to the side, connect the charging cradle and plug it into the mains Warms up in 8-12 minutes and reaches a temperature of 70-75°C Perfect for warming up your bed on a cold winter night It will retain it's heat for up to 6 hours Also great for use as a hand warmer or as a heat pad for soothing aches such as back pain etc When heated the power cord can be disconnected Dimensions: 25cm x 17cm x 5cm   Buying Options:  Last 50. 17.99 pounds instead of 49.99 pounds for the Rechargeable Hot Water Bottle - save 64% 19.99 pounds instead of 49.99 pounds for the Rechargeable Hot Water Bottle - save 60%