The companion set includes 1 set of Model G and 1 set of Model L, for you and your loved one.
Suggested to order together with Extra large wristband for bigger wrist circumference.
Companion set B
It includes a model G cooling unit, a model L cooling unit , two power units, two default wristbands, two cooling unit cables and two USB charging cables.
It's not a water-proof product, please keep it away from water