Trenches of Mariana USB Rechargeable Desk Fan — 100 Speed Settings, Quiet Operation

Meet a compact, cordless cooling companion designed for desks, shelves, or small workspaces. The 168 × 82 × 194 mm fan uses a seven‑blade rotor and a brushless motor to deliver strong airflow while staying remarkably quiet, with a noise level under 36 dB. A built‑in lithium battery powers 3–6 hours of runtime, rechargeable via USB (5V/1A), and the unit can sit on a desk or clip onto a surface for versatile positioning.

With 100 adjustable wind speeds and a touch control panel featuring a digital display, you can dial in precise comfort from a gentle breeze to a brisk flow. The design supports multi‑angle circulation with 360° rotation for efficient air distribution, so you can target your airflow exactly where you need it.

• Power options: USB rechargeable (5V/1A) with a 2000–4000 mAh lithium battery
• Dimensions and weight: 168 mm (L) × 82 mm (W) × 194 mm (H); 410 g
• Dual mounting: clip‑on or desktop use for flexible placement
• Materials: ABS plastic construction; 7‑blade rotor for steady, quiet airflow
• Color options available: Thin ice purple, Lemon yellow, Space gray, Starlight black, Glacier white
• What’s in the box: desktop fan, USB charging cable, user manual

Shown from multiple perspectives in the attached images, this fan’s compact footprint and clip/desk versatility make it a practical upgrade for home offices, dorms, or any tight space where you need precise, quiet cooling.