Product description Features: - Small and Portable - Clip-on Style - Third gear speed - High quality and durable - Lightweight and low noise - Rechargeable Battery Powered - USB Powered and Charging - 360 degrees vertical and horizontal rotation : Item Weight: 286 gram Packing Weight: 365 gram Packing Dimension: 7.67x5.98x3.93 inch Battery Type: 18650 Battery Battery Capacity: 2000mAh Battery Time: 60-120 minutes (depends on different speed) Changing Time: About 4.5 hours Input Voltage: 5V Output Voltage: 4~6V Output Current: 0.35~1A Power Rating: 3W(max speed), 1.5W(lowest speed), 2W(USB powered) In The Box: 1 x battery Fan 1 x USB Cable 1 x rechargeable 18650 Li-ion battery