Portable Neck Fan Bladeless Cooling Heating Battery Operated Low Noise USB Wearable Personal Fan

Feature: 1. Cooling and Heating: Neck hanging fan uses semiconductor technology to cool or heat at 3 adjustable temperatures of 25 celsius , 20 celsius , 15 celsius for cooling, and 35 celsius , 45 celsius , 55 celsius for heating. Stay comfortable in any season! 2. High Performance Motor: With a high performance brushless motor, this fan delivers strong airflow while keeping noise levels as low as 30dB. Bladeless design ensures safety and prevents hair tangling. 3. Ergonomic Design: The U shaped neck fan is designed to fit the curve of the neck, providing a comfortable fit for users of all sizes. Adjust the fan " s distance according to neck size for personalized comfort. 4. Quiet Design: Featuring a frictionless permanent magnet motor core, the neck fan operates quietly and efficiently, with noise levels controlled below 30dB. Enjoy a peaceful cooling or heating experience! 5. Portable and Versatile: Perfect for summer cooling or winter heating, this neck fan is ideal for outdoor activities like camping, hiking, office work, or travel. Stay comfortable on the go with its compact and portable design. Specification: Item Type: Neck Fan Material: ABS+Aluminum+Stainless Steel+Electronic Components Battery: Built in lithium battery 3500mAh (shipped with built in battery) Size: Approx. 17 x 4 x 14cm 6.7 x 1.6 x 5.5in Charging Time: Approx. 2.5h Working Time: 1.5-4h (varies depending on ambient temperature and usage) Cooling Mode: 25 degrees C, 20 degrees C, 15 degrees C Heating Mode: 35 degrees C, 45 degrees C, 55 degrees C. Package List: 1 x Neck Fan 1 x USB Charging Cable 1 x User Manual