Product Model: ST-8109 Product Size: Approximately 80 x125 x30mm Charging indicator: The indicator light flashes during charging Battery Life: Maximum range of 8 minutes Motor power: 200W (max);Motor speed: 130000RPM;Vacuum degree: 8000 (max);Blowing force: 52M/s Colour:silver Material:plastic Interface Method: TYPE-C interface Input voltage: DC5V/1A Lithium battery capacity: 18650-2000mAh * 2 cells 7.4V 28.8Wh Charging time: about 4 hours Power cord length: about 0.5m Working temperature: -10 ℃-50 ℃ Accessories List: 1 host, 1 power cord, 1 storage bag,1 air nozzle, 1 fan cover Fan control mode: 1. Press and hold the power button for 3 seconds to start, and the 1st gear indicator light will flash, 2. Press the stepless speed control switch to rotate from slow speed to high speed, and the stepless gear indicator light flashes quickly. 3. After starting, press the switch once to set the speed to first gear, 4. After starting, press the switch twice to set the speed and operate in 2nd gear 5. After starting, press the switch three times to set the speed and operate in third gear, 6. Under the constant speed state, the stepless speed regulation can also be pressed, which will automatically stop the high-speed operation when the stepless speed regulation is released. Due to different batches, there may be differences in product appearance and printed text, which will not affect use Package Contents: 1 * Mini Turbo Jet Fan Set