JISULIFE Portable Handheld Turbo Pocket Fan Rechargeable 4000mAh 5-Speed

Handheld/Desktop Fan: JISULIFE Mini Handheld Fan comes with a lanyard and an anti-slip mat at the bottom, you can hang it around your hands as a personal fan when outdoors (7.76oz), and used it as a small desk fan on a flat table. Portable fans (3.22 x 1.69 x 6.57 in) suitable as a gift for women. Slightly taller than a smartphone, fits a tote bag, backpack or handbag. Powerful & Energy-efficient: JISULIFE Personal Handheld Fan features a high-performance motor and optimized air duct to improve wind power while keeping noise to just 40 dB. Compared to other hand fans, it has a faster speed (6100 rpm) and stronger wind (4.8 m/s, measured 4 in / 10 cm from the outlet). Up to 16H Runtime: Hand Held Fan comes with a 4000mAh rechargeable battery (twice larger than a normal hand fan), provides 3-16 hrs duration (depending on different speeds). You can charge through a regular outlet, power bank or any other device with a USB-C, just 3 hrs to have a full recharge. 5 Gear Turbo Wind: JISULIFE Portable Fan has 5 speed turbo wind for potent cooling. You just press the power button to change wind setting, short press to cycle switch low-speed (3300 rpm) to high-speed (6100 rpm), long-press at any gear to turn off. Most users find speed 3-4 ideal for everyday outdoor use, speed 5 cools fastest and uses the battery quickest. Patented Turbocharged Airflow - Up to 4.8 m/s Max: JISULIFE Handheld Turbo Fan has 2 vortex tech patents: Air Turbo and Air Jet. The airflow is accelerated and compressed by the air duct turbine, delivering up to 4.8 m/s (about 10.7 mph) at speed 5, measured 4 in / 10 cm from the air outlet - strong enough for personal cooling close-up. Lithium battery is built-in and non-removable (14.8Wh), no standalone lithium batteries are sold with this product.