1. Three-speed wind speed adjustment: Three-speed wind speed adjustment, soft and strong can be switched at will, bringing nature home. 2. Mobile phone charger function: built-in 4500mAh lithium battery, 5A/1V output, you can use a fan to charge your mobile phone in an emergency. 3. Quiet motor: The fan has low noise and strong wind, does not disturb you and your family, and does not affect study, work, sleep, etc. 4. Mini and , tailored for the waist inside the clip position, three adjustable wind, does not leak hanging waist design - release hands, walk with a refreshing 5. Load reducing structure design, easy to master with one hand, hanging waist no pressure anytime and anywhere to drive away the heat, enjoy cool Colour:A:Black & White Material:ABS+PP+electronic components Package Contents: 2 * Waist hanging fan Only the above package content, other products are not included. Note: Light reflection 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.