Brand new, unopened! Neck Strap Fan, Set of 2! NFJ6-NS21WT NFJ6-NS21NV Brand: NEOVE Colors: White, Navy Electric 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: Approximately 4W, Number of Blades/Size: Approximately 6cm in diameter, 29 blades (sirocco fan) [Rechargeable, so you can carry it around freely, use for up to 8 hours] Hands-free use with the included strap. Full charge time: Approximately 4 hours (with DC 5V/1A), Operating time: Approximately 2 hours (strong) ~ 8 hours (weak) [3-stage wind speed adjustment] Press and hold the "Power/Wind Speed" switch for about 3 seconds to start operation, then press the switch to adjust the wind speed to weak, medium, or strong. [Anti-malfunction function with long press power ON button] [Compact size, doesn't take up much space] Can also be used on a desk with the stand on the back.