Bee Master Twin 510 - use two units simultaneously / mix - n - match
Authentic Beemaster Twin by Honeystick
* Two independent batteries for single or double barrel use
* Magnetic adapter that works with all 510 threads
* Wide opening accommodates most large sizes
* 3.7 volt output per side - 350mAh capacity per side
* Two independent batteries for single or double barrel use
* Magnetic adapter that works with all 510 threads
* Wide opening accommodates most large sizes
* 3.7 volt output per side - 350mAh capacity per side