Light Source:LED Certificate Standard:CE Usage:Room Power Generation:Switch Color:Yellow Material:ABS Power Source:Battery Logo:Display your own advertisements Battery type:18650 Lithium battery Capacity:3000mah Circle life:More than 500times Input:5V/1A Output:5V/1A Charging time:3h Normal color:black, silver USB outputs:1 ports Usage:Used in public places, like restaurant, coffee house, bar, hotel, club Show More