ARSIM Mini Fan Rechargeable /Hanheld Desktop USB Fan Electric Portable Mini Desk Fan for Kids - Rechargeable USB Battery - Handheld Fan with Adjustable Speed - Versatile Usage

Speed mode: 3st gear Input voltage: 5V Input current: 0.2-0.4A Output voltage: 3-4.5V Output power: 1.5W Battery voltage: 4. 2V Charging time:2-4H Instructions for use: 1.1. Please fully charge this product before using it for the first time. You can also use a mobile power supply or computer to charge it. 2. On/off button; press to start the fan, and press again to turn off the fan. 3. When the battery voltage is insufficient, the fan will automatically stop rotating. Please charge it in time. Precautions: 1. Children under 10 years old must use this product under adult guidance; please do not put your fingers into the fan to avoid cuts. 2. Do not place this product in extreme areas such as humidity, high temperature, high heat, or exposure to sunlight. 3. The charging power supply and socket installation should comply with safety regulations. 4. Please use the original USB cable and do not use other unqualified charging cables to avoid battery expansion and leakage. 5. Do not use the product while it is charging. The charging time cannot exceed 6 hours (please disconnect the charging power when the fan is not in use or people are away). 6. When not in use for a long time, it should be stored fully charged and recharged once every 2-3 months. 7. If any abnormality occurs during use of this product, please stop using it immediately.