• Rechargeable electric hot water bottle BUGGY WOOL for cold and relief of muscle, joint, and menstrual pain. • Even heat without burns, ergonomic design for application on neck, shoulders, back, and feet. • Quick heating in just 8 minutes, reaches a maximum temperature of 70 ℃. • Equipped with internal thermal switch and automatic shut-off for energy saving. • Retains heat for up to 6 hours indoors and 3 hours outdoors. • Two comfortable side pockets for warming hands, safe wireless use anywhere. • Soft, durable, non-toxic, and easy-to-clean fabric, eco-friendly and flame-retardant material. • Dimensions: 26 x 19 x 6 cm, voltage: 220-240 V, power: 500-600 W.