• Soft and comfortable, one size fits most.
• Convenient, edit content anytime and anywhere, the effect is eye-catching with super bright LEDs.
• The product uses a USB line of mobile phone to charge, lithium battery power supply. 
• The display screen is waterproof.
• For UV Protection, night sports, golf, rave party, dancing, lights show.

User Guideline:

• Scan Qr Code on a hat to download the app (support Android & iOS devices)
• Allow the application access to your phone, photos, sounds, and your Bluetooth. 
  
• Connect Bluetooth via phone
• Customize your message on the hat via the app. (All language supported)

We think this is a very unique tool to create awareness among people around you, as this definitely is eye-catching!

• Screen size:120*24mm
• Input content: Letters, Digits, and Patterns
• USB Charging Cable (Included in Package)

Package Includes:

• 1x LED Message Cap
• 1x USB Charging Cable