LED Display Backpack Smart Advertising Screen Waterproof PU Backpack, PU Backpack % AUGUR Two expansions compatible with Orange4

Two expansions compatible with Orange4 and Omega MTRK

light use more professional

Designed for pet dogs

support GPRS12

LED Display Backpack Smart Advertising Screen Waterproof PU Backpack, PU Backpack % AUGUR Two expansions compatible with Orange41. Support points: 64x64 full color dot matrix screen 2. Point spacing: P3. 75 3. Rated voltage: 5V 2A 4. Power supply mode: mobile power supply (not included) 5. Transmission method: Bluetooth 6. Support picture animation size: 64x64 pixels, 72 resolution 7. Support file format: text, picture, GIF animation 8. Material: PU leather, polyester lining 9. Applicable gender: both male and female 10. Screen size: about 25x25cm 11. Backpack size: about