 
 <prompt> Which one of di tins wey USB cable no fit carry na power, optical disc drives or data? Based on di question wey dey before dis one, write something wey get di answer. E fit be 1 - 20 sentences. Context: <response>: Some USB devices dey require more power pass wetin de specifications for one port allow. Dis one dey common for external hard and optical disc drives, and generally for devices wey get motors or lamps. Dem fit use external power supply for dis kind devices, wey dey allowed by de standard, or use dual-input USB cable, one input dey for power and data transfer, de other one dey for power alone, wey go make the device become non-standard USB device. Some USB ports and external hubs fit, for practice, supply more power to USB devices pass wetin de specification require but standard-compliant device no suppose depend on dis one. 