E-Stim II (Dual Channel Milli-Amp / Micro-Current) Lotion Warmers it should be kept in

it should be kept in water

Uniquely built to provide maximum relief

Convenient strap on one end

this versatile ball also is terrific as a massage aid and as a neck rest

Lithium-ion battery charger and a hard carrying case

E-Stim II (Dual Channel Milli-Amp / Micro-Current) Lotion Warmers it should be kept inThe E Stim II is the most economical, easy to use portable electro therapy unit. New dual channel, portable, continuous frequency unit features Milli amp (normal current) and Micro amp (micro current) settings. Each channel also includes its own green LED light which displays power on and frequency. Includes 2 sets of 3. 5mm jack alligator clip wires and instructions. The E Stim II uses a 9 volt battery (not included).