Type-C 3.1 ×1PCS(Full functionality)
USB3.2 ×2PCS
TF Card Reader ×1PCS (Up To 512GB)
SIM Slot for 4G LTE ×1PCS
3.5mm standard headphone+Microphone ×1PCS
DB9 ( RS232) ×1PCS
On/Off ×1PCS
Down/UP ×1PCS
Hot Key for QR Scanner ×1PCS
Power restart when push restart button ×1PCS
DC 12V/3A ×1PCs