NeckBreeze Specifications August 14, 2024 11:56 Updated Product size: 20*6*20 cm Voltage: 5V 500mA Power connector: Micro 5 pin Wind Speed: 3 Gear Working time: 3-6 hours Power: 3.8W Battery: 1200-18000mAh 18650 li battery Accessories: Fan, cable, battery, build-in, color box