DIY Baseball Cap, USB Rechargeable, Bluetooth Application Programmable LED Scroll Message Display Panel, Hip Hop Hat

LED hip-hop sports hat Origin: Mainland China Material: Cotton LED Color: Black LED color: RGB 7 color LED Control System: Bluetooth Application Voltage: 3.7V Hat size: 240*170*90mm Screen size: 170 mm x 70 mm Power supply method: lithium battery Operating voltage: DC3.7V Charging method: micro USB Charging time: 2-3 hours Working hours: 24 hours at 25% brightness, 100% brightness 12 hours at 12 hours