Long battery life: Includes a 4000mah rechargeable battery with USB connection, allowing extended use during outdoor adventures with infrequent charging needs Efficient climate: With a capable motor, this wearable cooling accessory creates stable movement for comfortable conditions in various indoor and outdoor settings Portable waist cooling solution: This lightweight cooling tool has minimal weight, offering easy portability for daily commutes and outdoor activities to maintain comfort in warm weather conditions Quiet working mechanism: Incorporates reducing features that function softly, perfect for concentrated tasks or relaxation without causing disruptions Practical waist fastening: The waist securing approach provides stable placement without needing hand, enabling complete hand independence for cycling, hiking or other physical activities