• The battery used: LR44x3 (with a test battery)

The item which takes in its hand and can feel and relax [ to rest slowly ] the "beat" near man's cardiac beats to settle down.
since it is the size settled in a hand -- a house -- of course - in movement in a vehicle -- he goes out and the point can also be used.
The battery used: LR44x3 (with a test battery)

Please feel free to ask if you have the product which I do not list.I will do my best to provide at competitive price.