Name: Bluetooth baseball cap
Material: 100% cotton+LED
Gross weight: 146g (including USB cable and manual)
Display size: 123 * 23mm
Lighting area: 100 * 14m
Pixel: 36 * 5
Cap circumference: 58-60cm
Hat size: 26 * 20 * 11cm
Power connection: USB charging
Battery: 450mAh
Charging time: 3 hours
Service time: 8 hours
Voltage: 3.7V
Display content: English text/symbol/number/fixed mode
Operation mode: mobile APP
Display color: white/4 colors (MOQ1K is required for other colors)
Hat color: black
Package includes: 1 x baseball cap, 1 x USB charging cable (excluding retail package)