Description:  Product Name: Keychain Fan Working time: 60-70 minutes Power supply:lithium battery output power: 2W Speed mode: Three levels of wind speed Battery capacity: 500mA Charging voltage: 5V Charging time: 2-3 hours Charging current: 0.5-1A Product size: 2.6 * 3.1 * 9CM/1.02in * 1.22in * 3.54in Feature: Mini portable design Compact and lightweight (palm size), portable, suitable for going out, traveling, working or studying, and does not take up space when placed in a bag. Silent and efficient cooling Low noise motor design, strong wind power (usually 2-3 speed regulation), fast supply, suitable for people who are afraid of heat or outdoor activities. Multi purpose power supply method Supports USB charging (such as for computers and power banks), and some models have built-in rechargeable batteries with a battery life of about 2-6 hours (depending on the gear). Cute appearance color scheme Cute and playful in design (such as macaron color, animal shape, etc.), suitable for girls, children, or as a gift, combining practicality and aesthetics. Safe and considerate details Anti pinch hand fan design (some made of soft silicone, inverted automatic power-off, some with a base or hanging rope for easy fixation. The product includes: Fans * 1pcs +Charging cable * 1pcs