Brand new, unopened! Neck Strap Fan NFJ6-NS21WT Brand: NEOVE Color: White Fan Design: Desk Fan Power Source: Battery Powered Style: Compact Room Type: Home Office Rated Input: Voltage/Current: USB Input DC5V / 1A, Built-in Battery: Lithium-ion Battery 3.7V / 2000mAh, Power Consumption: Approx. 4W, Number of Blades/Size: Approx. 6cm diameter, 29 blades (sirocco fan) [Rechargeable, so you can carry it around freely, up to 8 hours of use] Hands-free use is possible with the included strap. Full charge time: approx. 4 hours (DC 5V/1A), Operating time: approx. 2 hours (strong) ~ 8 hours (weak) [3-stage wind speed adjustment] After pressing and holding the "Power/Wind Speed" switch for about 3 seconds, once operation starts, you can adjust the wind speed by pressing the switch: weak, medium, strong. [Button long-press power ON with malfunction prevention function] [Compact size, doesn't take up much space] Can also be used on a desk with the stand on the back.