Halter Semiconductor Refrigeration High-speed Fan

Product information:
Noise: below 36dB (including)
Power type: lithium battery
Color: black, white, dark blue
Whether to use USB: Yes
Motor type: brushless motor
Fan blade material: Plastic
Additional features: Semiconductor refrigeration digital display with the same charge
Number of blades: no blades
Operation mode: normal button
Size: 228*188 * 98mm