1. Material: ABS+PP 2. Noise: below 36dB 3. Input: 5V DC 1A 4. Rated power: 3W 5. Fan speed: 3 speeds 6. Battery capacity: 1200mAh 7. Endurance: about 4h 8. Weight: about 117 g 9. Size: about 17.1 x 6.35 x 4.9 cm Features: 1. High-speed wind gathering, built-in 1200mAh battery, dual-cell, long-lasting endurance 2. Preferred brushless DC motor, technology and wind power, high speed and low power consumption, quiet and smooth operation 3. 3 adjustable gears, individual button control, easy to use, to meet more angles to enjoy the cool breeze 4. Three wind blades, stable and refreshing natural wind, equipped with over-current protection, high temperature protection, over-voltage protection 5. Handheld mode, 10 times higher speed, home and outdoor travel portable, multi-scene application 6. Silicone hand rope, release your hands, can be tied and hung in the car, does not take up space, not easy to tilt