• This item is the cable that using to connect your Radio and PC, then writes the program setting and frequency of the walkie-talkie by PC
• Support computer system: Win XP/Win7/Win8/Win10
• Two-pin standard diameter: Ear 3.5mm stereo (top pin), Mic 2.5mm stereo (bottom pin)

Compatible with radio models:

• For TYT MD-380 MD-390 MD-UV380 MD-UV390 MD-280 MD-280 Plus MD-UV450 MD-446
• RADIODDITY GD-77/GD-77S
• Retevis RT3 RT8
• NKTECH MD-380U MD-380V MD-380G