Portable Hand Micro USB Small Fan Ultra quiet USB Fan For Android OTG Smartphones (Orange) Light weight and mini size, easy to carry. Plug and play,easy e. Super strong wind, ultra silent blowing, TPE environmental protection material, it is a good helper to cool down in summer.   Features: 1. Ultra-quiet micro-speed fan, quiet, strong wind, good quality. 2. The fan blade is made of material, which is super safe and environmentally friendly. 3. TPE environmentally friendly blade, will not hurt your hands when accidentally touched. 4. Applicable occasions: bank gifts, school gifts, company benefits, advertising, promotions, wedding gifts, opening, etc. 5. Micro USB small fan, low power consumption. Specification: Condition: Material: TPE Size: Approx. 9 * 4 * 1.5 cm / 3.5 * 1.5 * 0.5 inch Color: Black, White, Green, Rose Red, Orange, Blue (Optional) Rated Voltage: 5V Rated Power: 1W Motor Speed: up to 16000 RPM Weight: Approx. 16 g Package List: 1 * For Android Interface Phone Fan Warm Prompt: * For Android fans must be available with OTG-enabled phones, emphasizing the statement! Charging treasure can't be used! Some mobile phones have OTG function but need to be opened in the settings, open the OTG switch key before use, especially for OPPO, for VIVO, for Huawei, etc. Depending on the situation! * At present, most mainstream mobile phones support OTG function. If you really don't know if your mobile phone has this feature, you can check it online. Note: 1.Please allow 1-3 cm error due to manual measurement. Thanks for your understanding. 2.Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.