Product information:

Material: 100% cotton + LED
Display size: 150*37mm
Lighting area: 100*14m
Pixel: 48*12
Hat circumference: 58-60cm
Hat size: 26*20*11cm
Power connection: USB charging
Battery: 450mAh Charging time: 3 hours
Use time: 8 hours
Voltage: 3.7V
Display content: multiple languages/letters/symbols/numbers/fixed pattern
Operation mode: mobile APP

Packing list:

Hat*1