1. Small size, strong wind, long standby time: 2000mAh lithium battery, 30 minutes of battery life, 3 hours of charging 2. Hot and cold dual purpose: hot air file (plug in power supply), cold air file (lithium battery) 3. Not only used for exams, but also an artifact for drying hair, plug-in mode 1250W two-speed hot air, soft and more hair care 4. High-quality heating wire: uniform heating, fast heating, high thermal efficiency, long life, built-in thermostat, safe and reliable size: 14.5 x 20 x 7cm Material:ABS Colour:white Package Contents: 1 x Hair Dryer 1 x Power cable 1 x USB Cable Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. In the title and description, we have provided the details of the product, including its features and specifications, please pay attention to the size and dimensions of the product to ensure that it meets your needs. We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please feel free to contact us. We are here to help and will do our best to help you.