Features1ON/OFF: Short press the on/off button will show the power level of the device, then press the fan gear button to start the fan, adjust the speed and so on. Tap the switch button to change the direction to blow air, tap the light button to illuminate. 2BELT FAN AND NECK FAN: You can clip this belt fan to your waist or directly to your trousers with the included belt. You can also wear it as a necklace fan. The double clip makes it more stable and comfortable to use. 3SUPERIOR AIRFLOW: Blowing out 10 metres per second of airflow, it saves you from summer heat in seconds. Short press on the illumination button can turn on the electric light for auxiliary lighting, the auxiliary lighting can be used for 10H under full power condition. 4GEARS: In the state of the screen display is on, short press the gear button can switch on and off the fan and adjust the gear, you can adjust the fan wind speed, this fan has 4 gears d1, d2, d3, d4, of which d4 is the highest grade. 5CLOCKWISE: Waist mounted fan is able to realise the wind from both ends, which can blow upwards and downwards. When the fan is running, press the forward/reverse key, the fan will stop first, then reverse, and then press this key to resume positive rotation. The gears corresponding to reverse are dl, d2, d3, d4, of which d4 is the highest gear. 6CHARGING: TYPE C charging, as long as the charger is 5V 2A or above, including the fast charging devices of various mobile phones, can charge this machine. When the display shows 100 percent in flashing, it means it is full. If you use solar energy to charge this product, you need to pay attention to the overcharge is strictly prohibited (full immediately after unplugging), otherwise it will burn the battery.SpecificationItem Type: Waist USB FanMaterial: ABS, metalBattery Type: Lithium battery (built in)Package List1 x Waist USB Fan1 x Hanging Rope1 x Charging Cable