Transparent appearance. Adjust wind speed across 5 settings, from gentle breeze to powerful gusts, to match your needs.. 3000mAh Rechargeable Battery for All-Day Portability. Designed for life on the go, this mini handheld fan is ultra-lightweight and fits easily in your hand or pocket. Toss it in your backpack, carry it during hikes, or keep it by your desk. LED Digital Display for Real-Time Control