1、1. Neck and waist clip-on fan: This personal mini clip-on/suspended fan has a double clip design, even if your T-shirt or pants are firm, it can also be used to fix the fan. If necessary, an additional necklace strap can be provided to suspend the fan around the neck. The most important advantage is that when you use this fan and cool yourself down, you can let go of your hands for other tasks. 2、2. Waist fan: This clip and hanging fan are noiseless (less than 42dB), and the maximum output power is 5000rpm, which can make you feel fresh in a short time. 3、3. Durability and usability: The built-in 4000mah rechargeable lithium-ion polymer battery allows you to keep the fan on for 3.5 hours in high-velocity mode, and keep the fan on for up to 13 hours in low-velocity mode. In addition, the fan can also be used as a power bank to charge the phone. 4、4. Small and lightweight fan: The fan is very portable because it has a small shape and double reverse clamps. It is very light, so it can also be used as an outdoor fan. It is very easy to carry when you travel, walk or hang out in an overheated and high temperature environment. 5、5. 3 velocity setting + energy saving: three velocity design, the velocity of the portable fan can be adjusted according to your needs, low, medium and high. The fan can be used with USB chargers, laptops, computers, mobile power supplies and other USB-enabled devices. Battery type: Polymer lithium battery Battery capacity: 4000mAh (3.7V/14.8Wh) Working hours: 1st gear is about 13 hours; 2nd gear is about 6 hours; 3rd gear is about 3.5 hours. Material: ABS Size: 100*43*95mm Net weight: 215g Charging time: About 4-5 hours Type-C input: DC 5V 1A Max USB output: DC 5V 1A Max 1*Multifunctional portable fan 1*Type-C charging cable 1*Lanyard 1*Instruction