7.5-inch Conference Table Sign E-ink Screen Table Sign HD Three-color Display Bluetooth Wireless Sign Manufacturer Wholesale

Outer dimension：190.4*93.4*129.5mm
Material：PC+ABS
Photovoltaics：Supported
Interface：USB Type-C，Charging interface
Display screen：7.5 inch , black/white/red EPD
Resolution：800*480
Battery：Li-On rechargeable,3 months (refresh 5 times per day)
BLUETOOTH：5.1
NFC：Customizable
Cloud server：Supported
Phone operating system：Android (Version 8.0 and above)
Server operating system：Windows 10，Linux