Printer support: supports standard printing interface with USB interfaceProduct size (L*W*H): 55mm x 55mm x 30mmOperating system: LINUX3.4Interface: USB2.0 HOST +USB2.0 DEVICE+EthernetTF card expansion: support, up to 256GBBluetooth Compatibility: Classic Bluetooth Compatible + BLE (4.0)Product weight: 30gSupply voltage: 5VSupported operating system: Wondows xp and above, Android, IOSHardware parameters: ARM9 300z\128MB Flash\Bluetooth compatible 4.0include:1pcs network cable cloud printing server

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