*Product Type : Table Fan*Model : DP 7624**Speed Adjustment : Three-phase*Battery Voltage : 4V*Input : 5V 1A*Battery Capacity : 3000mAh*Using Time : 1.5/3/6 Hours*Effective Wind Speed : 4.2M/S*Rated Power : 1W*Power : 4W*Charge Time : 7 Hours