Important Note: This wireless hair dryer uses lithium battery as a power source and provides cold air only when used wirelessly. The hot air function is only available when connected to a power outlet. Product Name: Rechargeable Hair Dryer Product size: 145 199 70 mm Input voltage: DC 8V-1A-0.9W 2000mAh Power: 220v1250W Accessories: USB charging, charging, dual-use plug-in 2000mAh: Battery pack with internal lithium batteries to provide 2000mAh Working time in cool environment: 3.7 4 hours. working time in cooking position: 30 minutes. Charging time: 3-4 hours Package: 1 Rechargeable Hair Dryer 1 USB Cable 1 ChargerFASTER DRYING: Professional hair dryer with advanced airflow technology provides quick drying, professional wind nozzle, concentrate wind, can be reduced by 50 of the time. Safe and reliable: its ergonomic handle allows comfortable use and is lightweight with little noise. When a lithium battery is used as a power source, it provides cold air Connected to a power outlet, it provides hot air (1 level) and cold air (2 levels). Easy to carry: Lightweight but compact design, does not burden your hand too much during use, make your hand relaxed, comfortable and durable to use, ideal for living room, home, hotel, office, travel, etc. Supreme quality: High temperature resistant shell to make your hands feel comfortable. Not easy to break, fall resistant. Durable design ensures longer service life. And minimizes static electricity, keeps hair soft and healthy, and improves hair hardness. PERFECT GIFT: This versatile hair dryer is an ideal gift for your wife or daughter. An ideal gift for a mother, girlfriend or daughter. Ideal for birthdays, New Year, Christmas, Valentine's Day, Mother's Day and many other holidays.