VEVOR Portable Clip Fan, Rechargeable Clip On Fan, USB Port with 3 Speeds & Circulation Mode, Strong Airflow Sturdy Clamp, Long Runtime for Desk, Golf Cart, Outdoor Camping Treadmill, Office, Black

Extended Runtime: This small rechargeable fan features a dual-cell (5000mah*2).22h Max Runtime (22h at low speed, 3h at high speed)design for long-lasting cordless use. The clip on fan can be clipped onto desks, bed frames, or treadmill rails, delivering focused airflow for studying, reading, or outdoor relaxation | 3.86 m/s Powerful Airflow: Equipped with a 170 mm 3-blade fan and an 8W copper motor, this clip fan delivers up to 139 CFM airflow. Three adjustable speed levels (2.2 / 3.0 / 3.86 m/s) provide precise control, with operating noise kept under 46 dB | 4 Airflow Modes: Designed as a small clip on fan, it offers three fixed speeds plus one circulation mode that automatically switches between airflow levels. Compact and lightweight, its easy to carry for home, office, or travel use | Flexible & Secure Clamp: The strong clamp allows the clamp fan to attach firmly to bed frame, fitness equipment, or tent pole. The adjustable head lets you direct airflow where needed, while the ABS housing supports reliable use across multiple condition | Fast Charging Compatibility: This clip on fan includes a 1 m Type-C to Type-C cable and supports charging via wall adapters or power banks. The USB-C port works with various devices, making it convenient for camping, travel, and daily portable use