SiGN Portable Fan with Neck Strap, 4000mAh - White The innovative air cooler from SiGN with a flexible neckband provides up to 7200 RPM of cold air. Choose between three levels, put it around your neck and enjoy the cool air! With its cool-chill technology, it transforms warm air into refreshing air in seconds. The SiGN portable neck fan is ideal for gardening, grilling, walking, by the pool, the beach, in the office and much more. The neck fan has three individually adjustable speed levels, is extremely lightweight, wireless and rechargeable. Features: Brand: SiGN Color: White Type : Fan with Neck Strap Operating time : 5 - 12 h Battery capacity : 4000mAh Input : 5V / 1A Connection : USB-C Cable length : 30 cm Speed : 4800 - 7200 RPM Speed level : 3 Energy consumption : Level 1 : 3.0V / 0.18A / 4800 RPM, approx. 12.0 h Level 2 : 3.6V / 0.25A / 5500 RPM, approx. 8 h Level 3 : 4.2V / 0.35A / 7200 RPM, approx. 5 h Rechargeable : Yes INSTRUCTIONS FOR USE