- Power supply: USB/18650 Lithium battery – Voltage:5V-9V
- REMOVE the plastic insulation of battery & fully charge the fan before first use.
- With clamp on the bottom, can be used in any places.
- Freely to turn down or turn up air volume with the step less speed technology.
- The fan can be adjusted up and down–both actions can rotate by 360 degree.
- It can be attached the carrier handle, chair, desk, baby stroller, treadmill etc.