"Fine-tune your treasure hunts with the Garrett Z-Lynk MS-3 Wireless Headphone Kit with Pro-Pointer AT. This headphone kit is compatible with any style of metal detector that has a 2-pin AT connector or 1/4"" headphone jack. Go cordless with the wireless headphones and the kit's wireless transmitter that you can connect to your detector via 1 of the 2 included cables. Switch to the included Pro-Pointer AT for a more portable and precise metal detecting experience. Wireless headphone and transmitter Compatible with any metal detector with 2-pin AT connector or 1/4"" headphone jack For portable and precise metal detectingKit includes: Garrett MS-3 Z-Lynk wireless headphones WT-1 wireless transmitter 2-pin AT connector to micro-USB cable to connect AT detector to transmitter 1/4"" jack to micro-USB cable to connect detector with 1/4"" jack to transmitter USB charging cable Mounting band Pro-Pointer AT Z-Lynk Woven belt holster 9V battery"