New, Unopened This is a nuku² cordless eco hot water bottle purchased from a Yamada Denki New Year's lucky bag. No need to replace the water, It stays warm for up to 8 hours with a charge of about 15 minutes. ✔ Warms up the futon before bed ✔ Measures against cold feet, lower back, and abdomen ✔ Cordless for peace of mind & convenient to carry ✔ Economical with electricity costs of about 2.8 yen Perfect for relaxing in the cold winter and New Year's holidays. It's a lucky bag item, but it's [new and unopened]. *Please note that there may be some scratches on the outer box due to home storage. Instant purchase OK Feel free to comment if you have any questions. #YamadaDenki #LuckyBag #HotWaterBottle #EcoHotWaterBottle #Rechargeable #Cordless #ColdWeatherGear #ColdRemedy #WinterPreparation #NewYearsPreparation #NewUnopened #nuku #WarmGoods