Lolsea fan works as a desk fan, clip on fan, or wall-mounted unit – giving you ultimate flexibility. Featuring a clear LED display, it shows 5 speeds and 4 timer modes. Powered by a 5000mAh rechargeable battery, this rechargeable fan runs for 10 - 12 hours on the lowest setting – enough to keep you cool through the night and into the next day. Enjoy both 360° horizontal and 360° vertical rotation, allowing this small desk fan to direct strong airflow exactly where you need it – up, down, sideways, or all around. It's truly smart usb fan for modern living. This small fan adapts to any space in your home or office.