Features: Brand new and high quality Upgrade the turbine fan blades to efficiently gather wind and multiply the airflow. Dual battery design, ultra-long endurance. Three speed wind speed regulation, one button switching, and wind power at your control. Food grade silicone hose, ergonomically designed, can be worn in any shape without binding. The turbine fan head is rotated and adjusted by 90 degrees to meet multi-directional fresh air requirements. Specifications: Product Name: Neck Turbo Fan Battery: lithium battery 18650 Battery capacity: 2400mAh (8.88Wh) Input power supply: DC 5V/1A Material: ABS+silicone Fan power: 0.6-2.6 W Input interface: Type C Product size: 250x210x50mm Motor life: ≥ 10000 hours Number of built-in batteries: 2Pcs Color : black, white, pink (optional) Working time: 1gear 13 hours ; 2gear 5.5 hours; 3gear 3.5 hours Package Includes: 1 x Neck Fan 1 x Type-C Charge Cable 1 x Manual note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!