The Gongtian W920B is a powerful 10W wearable fan designed for hot worksites and outdoor activities. With a high‑performance brushless motor, a swappable 4800mAh battery, and flexible wear options (waist clip, neck strap, handheld), it delivers strong airflow and practical all‑day usability.

Key features

• 10W strong airflow: High-performance brushless motor with 3 speed levels, delivering airflow far beyond typical mini fans for heat‑intensive environments.
• Wear it 3 ways: Rugged metal waist clip for upward airflow to the torso (AC‑jacket style), included neck lanyard, or handheld use.
• 4800mAh swappable battery: Built‑in 21700 Li‑ion cell for about 1–3 hours depending on speed; supports easy replacement and is compatible with 18650 cells for extended outdoor use.
• USB‑C fast charging: 5V/2A input; charges in about 3 hours to get back to full power quickly.
• Durable build: ABS housing with reinforced clip, made for demanding work and outdoor environments.

Specifications

• Model: Gongtian W920B
• Power: 10W (brushless motor)
• Speeds: 3 levels
• Battery: 4800mAh 21700 Li‑ion, user‑replaceable; 18650 compatible
• Charging: USB‑C, 5V/2A
• Charge time: ~3 hours
• Runtime: ~1–3 hours (by speed)
• Material: ABS
• Dimensions: ~122 × 97 × 58 mm
• Weight: ~350 g
• Color: Black

Best for

• Outdoor work: Construction, delivery, landscaping, warehouse.
• Outdoor activities: Camping, fishing, hiking, cycling, beach.
• With workwear: Pairs well with AC jackets or work uniforms to boost ventilation.