Features: 1. Suitable For Wearing With Different Neck Circumferences, Cold Compress & Fan Double Enjoyment, Folding Design For Easy Carrying 2. Enjoy Coolness With One Click, Symmetrical Cold Compress, 3. The Bladeless Turbine Is Light And Does Not Mess Up. 4. Relieves The Stuffiness Of The Summer Heat, And The Mask Cools In Summer. 5. Silent Blade Upgrade Soft Operation. 1. Working Voltage: DC5V/2A 2. Maximum Power: 10W 3. Charging Indication: The Red Light Flashes When Charging, And The Full Red Light Goes Off 4. Battery: 5000mah Polymer 5. Cold Compress: Three Gears (Drop 10-15C/Drop 7-10C/Drop 4-7C) 6. Maximum Power: About 3 Hours 7. Fan: Three Gears 8. Charging Interface: Type-C 9. Battery Life: (High-Grade) 2 Hours 10. Control Mode: Button 11. Size: 18.5 x 17.6 x 6.7cm 12.Color: Creamy White 13.Material: ABS Package Contents: 1 x Main Unit Fan 1 Cord 1 x Chinese And English Instruction Manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.