Used Garrett Z-Lynk MS-3 Wireless Headphone Kit with Z-Lynk Pro-Pointer AT 61247374
This combo has been tested and works.
Garrett MS-3 Z-Lynk Wireless Kit
Garrett MS-3 Z-Lynk Wireless Headphones
WT-1 wireless transmitter
2-pin AT connector to Micro USB cable—connects AT detector to transmitter
¼" Jack to Micro USB cable—connects detector with ¼" jack to transmitter
USB charging cable
Pro-Pointer AT Z-Lynk Pinpointing Metal Detector
Pro-Pointer AT Z-Lynk
Woven belt holster
Easy pairing of MS-3 Z-Lynk Headphones and Pro-Pointer AT Z-Lynk toWT-1 Transmitter.
Hear both detector and Pro-Pointer AT Z-Lynk pinpointer alarms in MS-3 Z-Lynk headphones, even in noisy environments (beach, high winds and congested urban areas.)
MS-3 Z-Lynk Headphones and WT-1 Z-Lynk Transmitter are for land use. Pro-Pointer AT Z-Lynk can be used in water up to 20 feet.