COOLBABY Portable Bladeless Neck Fan USB Charging Green

Noise below 36dB, rated voltage 5V/1A, rated power 7W, power supply mode USB, product features No hair hanging neck.No turning leaf, no shaking head. Comfortable to wear, no burden to shoulder during use.Innovative turbine blades, strong wind gathering, air flow doubling, rapid cooling and improve comfort, long blowing without headache.Dual core super power, 2 5000 RPM muffler motors. High speed drive 5000r/min.Built-in 1600mah lithium battery, one charge can meet the whole day's demand, lasting power, cool and continuous electricity.