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 we have provided details of the product including its features and specifications, please note the size and dimensions of the product to ensure it meets your needs. Warm reminder: Due to lighting effects, monitor brightness, manual measurement, etc., there may be some slight differences in color and size between photos and actual items. Sincerely hope you can understand. During the shopping process, if you have any questions, please feel free to consult us, we will reply to you within 24 hours, I wish you a happy shopping!