Portable Neck Fan, Hands Free 4000 mAh Rechargeable Mini USB Personal Fan, 3 Speeds Hanging Neck Fan for Outdoor Sports Travel (Blue)

Specifications: Item Type: Portable Neck Fan Material: ABS Color: Blue Built-in Battery: 4000mAh L ithium Battery Charging Time: A bout 4 hours Working Time: 6-12 hours Charging Current: 5V/1A Weight: 0.88lb  Size: 6.69 x 2.28 x 7.48in   Features: Long Working Time & 3 Speeds Mode This neck fan was build-in two 4000 mAh lithium batteries, large capacity batteries provide 12 working hours duration (depend ing on different speeds).  Bladeless Safe & 360°Airflow This portable neck fan uses hidden blades that will prevent hair from entanglement. 360 ° powerful airflow around neck. It ’s perfect for sports, camping, working and other activities.   Noise Reduction: The lightweight fan adopts upgraded design, and the wind sound is soft when it is working. It is made of environmental friendly ABS. Softer, more durable, quieter.  Ergonomic U-Shape Design This portable neck fan well u-shaped according to ergonomic design, feel zero gravity and pressure when you put it on your neck.