Rechargeable Electric Hot Water Bottle Bag/Hand Warmer -Rechargeable. No more boiling hot water, filling & emptying. -Only takes 8-12 minutes to heat up. -Enjoy the warmth up to 2-8 hours. Stay cosy in bed this winter with one of these Rechargeable Electric Hot Water Bottles from, the next generation in hot water bottle technology!Simply slide the charging cover to the side, connect the charging cradle and plug it into the mains. Hand warmer type: Rechargeable hot water bottle Rated voltage: 210-240V Hot water bottle material: flannel Type: Hand Warming Model Number: hand warmer pull ring rotating cover: Silicone 100% satisfaction guarantee: Every product is carefully designed. This is the best choice for your customers. For your satisfaction and affirmation, I wish you a happy shopping! Great for cold days or as a gift for loved ones.