Bluetooth LED Advertising Cap Supports Scrolling Characters/Mobile Phone Word Change/Multi-Language，Random Color Delivery Power Splitter Built-in 1200 mAh full 18650

Built-in 1200 mAh full 18650 original battery

One Package Size 32cm * 26cm * 6cm / 12

Scanning mode: manual

Da Fit APP languages: English

and cool down at any time

Bluetooth LED Advertising Cap Supports Scrolling Characters/Mobile Phone Word Change/Multi-Language，Random Color Delivery Power Splitter Built-in 1200 mAh full 186501. Material: cotton cap + LED display 2. Resolution: 12x48 dots 3. Font color: red yellow blue green white pink color, etc. 4. Hat color: red black white blue yellow green pink etc. 5. Display size: 133 x 29 mm 6. LED screen size: 152x32 mm 7. Communication method: Bluetooth mobile phone APP (support IOS system and Android system) 8. Language: Multi language (Chinese Korean Japanese English and other multi national voices) 9. Power supply: 3. 7V