https://alexnld.com/product/2pcs-retevis-rt649p-rt49p-walkie-talkie-ip67-waterproof-floating-usb-charging-noaa-talkie-walkie-outdoor-radio-comunicador/?hilite="USB Programming Cable for DMR Radio Retevis Ailunce HD1 Retevis RT29 Walkie Talkie Support Win XP/ Win 7/ Win 8/Win10"