Description: Neck Cooling Conditioner: The hanging is semiconductor refrigeration achieves instant cooling. 3 pieces cooling pad 360 cooling around the neck, the coldness is transmitted to the . Adjustable 3 level Temperature: The has 3 level temperature for choice, 12/8/5 degrees Celsius let you feel comfortable and cool during the summer. USB Rechargeable: Built in 4000mAh battery keep you the time. Portable and Convenient to charge via computer, cell phone charger, power bank, laptops, etc. Low Noise & Lightweight: Adopt with brushless motor brings quiet and cool. Weighs only 460g portable to wear. Adjustable Size & Stylish: Silicon material allows adjust angle up to 127 degrees, suitable for most people. Fashionable and versatile. When using without worrying about hair getting, also free your hands. Specification: Charging interface: USB C Voltage: DC5V/2A Battery Capacity: 4000mAh 3 Level Adjustable: 12 degrees Celsius, 8 degrees Celsius, 5 degrees Celsius Brushless Motor Working time: about 1-3h Features: Semiconductor refrigeration, 360 surround refrigeration Material: PC, aviation grade aluminum, food grade silicon, semiconductor refrigeration Weight: 460g Size Chart: 22.5x10cm/8.86x3.94inch Package Includes: 1 Piece Neck Cooling Conditioner 1 Piece USB Charging Cable Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful online shopping!