Neck Fan (>◡<) Used only once! Brand: MEEKA Product Model Number: F2 Size: Approximately 230mm x 137mm x 60mm Weight: Approximately 280g Materials: ABS, Silicone Charging Time: Approximately 3-5 hours Battery: 3900mAh Input: DC5V-1A (USB rechargeable) Usage Time: Low: Approximately 9 hours / Medium: Approximately 7 hours / High: Approximately 5 hours (Usage and charging times are approximate. They may vary depending on the environment.) Charging Port: USB Type-C