1. Mini & : The mini fan is of compact size and lightweight, so that you can put in your bag and carry around easily. 3 adjustable speed(minimum/medium/maximum), it just meet your needs keeping you cool & comfortable whether travelling in hot cars as a battery operated fan, relaxing under summer sun or circulating air as a camping fan! 2. Handheld & Desktop: Our portable fan you can hold it in your hand, or put it on the desk. small size: The mini fan is 18.2189cm/7.27.13.5inch in size This is a lightweight personal fan, space-saving on desk and easy to carry around. 3. 4000mAh : It can last 12 hours at the lowest speed to ensure the cooling when you go out, Adopts upgraded noise reduction technology, the noise is lowered to 24dB. provides a cool breeze in desired direction. and 4 hours at max speed. This personal hand fan also can work with TYPE-C ports power sources, such as power bank, wall charger, computer, laptop, cellphone adapter etc. 4. & : 2 in 1 travel tent fan housing is made of high-quality ABS+PC+LED material, which can prevent ordinary impact, so you can confidently use it on various outdoor occasions. Small sizes can be easily put in your backpack. Easy to carry, perfect camping gear.