I found the included pendent to be only slightly better than useless. I am currently using a "Wireless" pendent from China. It is OK but could be better.
Like I have mentioned in the past I use the VistaCNC pendant it it is truly a nice piece of equipment. Well made and easy to use. Plug in the USB and cutting chips in minutes. Also I will prob throw my jamen pendant in the trash. That pendant feels like a cheap kids toy lolol