JISULIFE Bladeless Neck Cooler Brand: JISULIFE Model: FA12 Product Name: Bladeless Neck Cooler Battery Capacity: 4000 mAh Input: 5.0V=2.0A Max Battery Cell: Lithium-ion Battery Fan Power: 5W Max Executive Standard: GB 4706.1-2005 GB 4706.27-2008 Enterprise Standard: Q/JS008-2017 Dimension: 197 (L) X 198 (W) X 60 (H) mm Features: - Long Lasting Battery - Safe and Bladeless - Comfortable Condition: New in Open Box