USB non-blade neck-mounted fan with five-speed adjustment

USB non-blade neck-mounted fan with five-speed adjustment
Motor type: Brushless motor
Shell material: ABS
Noise level: Below 36 dB(A)
Built-in battery capacity: 1000mAh – 1200mAh (inclusive)
Net weight of the product: 166g
Power supply method: USB
Overall dimensions: 58*58*48.5mm
Fan blade type: No blades
Wind speed settings: 5 levels
Battery life: 1 – 3 hours (inclusive)