This portable neck fan adopts bladeless design, not getting hair stuck compared to traditional hanging neck fans. Hanging around your neck to free your hands. With 48-hole air outlet, 60 turbine blades design produce more powerful airflow. Keep you coolall the time. 3-level wind speed available to suit your different needs. Made of Eco-friendly ABS and silicon. Angle can be slightly adjusted at will. Makes the hands free neckband fan softer, more durable and quieter. -Built-in 2000mAh rechargeable lithium battery provides up to 6 working hours duration (depend on different speeds). Compatible with computers, laptops, and chargers with USB output. It only takes 3 hours to fully charge. -Lightweight and portable you can take it anywhere. Suitable for all kinds of outdoor activities, mountain climbing, cycling, travel, watching sport games, outdoor concerts and so on. Specifications: -Built-in Lithium Battery: 3.7V 2000mAh -Input Power: DC 5V/1A -Working Time: 2-6 hrs -Charging Time: Around 3 hrs -Wind Speed: 0.8m/s, 1.4m/s, 1.9m/s -Charger Interface: USB-C -Charging Cable Length: 1m -Weight: 394g Size: 21.5 x 17.5 cm x 2.7 cm Package Includes: 1 x Portable Neck Fan 1 x Charging Cable 1 x User Manuel