Brand it- Bluetooth connection by smartphone programmable, free app support for mobile phone, very simple and convenient. Download the "Magic Display" APP. The hat connects to the phone via Bluetooth, see a lot of features in the APP.
Branding options include text, Image and animation
Material: Cotton Blend Charging Mode: Micro USB Support system: mobile phone Head circumference: 56-60cm(22.05-23.62in) Optional Color: A Red(with Bluetooth), B Black(with Bluetooth), C Red(no Bluetooth), D Black(no Bluetooth) Quantity: 1 pc
Warning: Note that low temperature washed, do not bleach and place under the blazing sun for quite a long time. Package includes: 1 x Baseball Hat 1 x USB Charging Cable(without retail package)