Three – phase speed adjustment Double mode power supply With touch switch control Chip – on – board led Effective
wind speed: 4.2m/s
Battery capacity: 3600mah
Battery voltage: 4v
Input: 5A-1A
Power: 1W
Power using time: weak wind – 4hours, Middle wind – 2.5 hours, strong wind – 1.2 hours
Working mode: USB port charging or built-in battery