LED Screen Lighting Hat Cap Riding Safety English Hat Bluetooth APP

Product selling point: mobile phone bluetooth connection hat, desired application switch model, used for Judy, party, music festival

Packing list: 1 * bluetooth cap + 1 * data line + 1 * manual
Product material: cotton hat + LED display
Display color: four colors, white
Display size: 123 * 23mm
Lighting area: 100 * 14mm 36 * 5 pixels
Battery powered: voltage 3.7 v model 602040
USB rechargeable lithium polymer battery
Display content: English, letters, symbols, numbers, cell phone editing content
Working mode: mobile phone bluetooth app modification
Cap circumference: 58-60cm, size: 26 * 20 * 11cm