aerkesd Summer Earphone Design Mini Portable USB Neck Mounted Air Conditioner Cooler Fan-Black

Specifications: Made of silicone, soft and skin-friendly. Comfortable curved design, not sweaty and not cumbersome. Adjustable design, comfortable to wear, suitable for all necks. Long press the bottom button for power on/off, blue light when booting. Press this button after power on to switch three sections of air volume, strong/medium/weak. Press the penultimate button to start the cooling function, and the blue light is working. Type: Neck-mounted Fan Battery Capacity: 2 x 1800mAh (Included) Charging Time: 1.8 Hours Life Time: 4-10 Hours Cooling Range: 6-11 Centigrade Charging Interface: 5V 2A Micro USB Features: Earphone Design, Portable, Neck Mounted, Comfortable to Use Size: 21.8cm x 23.2cm x 6cm/8.58″ x 9.13″ x 2.36″ (Approx.) Notes: Due to the light and screen setting difference, the item’s color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Neck-mounted Fan 1 x USB Cable 1 x User Manual