USB Portable LED Mini Fan Air Cooler 2200mAh Rechargeable Lithium BatteryGreat companion for you in the summerInput Voltage: 5VInput Current: 0.5~1AOutput Voltage: 5~9VOutput Power: 4.5WSpeed Mode: 3 RangesCharging Time: 3-4 HoursBattery: 3.7V Li-Ion 2200Mah (Included)Material: AbsSize: Approx 140*1..