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NOTE: Dolphin device is designed for stress reduction and healing, and therefore does not produce a strong stimulation (sub-sensory on some points)

Test battery strength. Dolphin classic (black) test is on back of device. Dolphin Professional (white) test is built-in to indicator light. (reference #6 above care instructions). When replacing the battery use ONLY high quality alkaline [...]

Make sure your thumb is touching the ground plate for proper ground. Change sensitivity depending on skin condition - dry for dry skin and wet for wet skin. With Dolphin classic (black) point sensitivity is [...]

First change the battery (see above for details).