Grounding Mat for Improving Sleep, Grounding Pad for Health, Grounding Bed Mat with Grounding Cord for Better Working (35.5 * 23.6inch) lianjindun Each works with 4 D B09RQQL627 Magnification Strength:-5.50 model number 726015 ARSIMAI

Each works with 4 D batteries (not included)

INTUITIVE ERGONOMIC DESIGN - The massager was designed to be the ultimate massage tool since each therapy node and spike can be used on every part of the body from the neck to the feet

making them thicker and less prone to loss

and it will automatically shut down when the time is up

it's very durable and explosion-proof

Grounding Mat for Improving Sleep, Grounding Pad for Health, Grounding Bed Mat with Grounding Cord for Better Working (35.5 * 23.6inch) lianjindun Each works with 4 D B09RQQL627 Magnification Strength: 5.50 model number 726015 ARSIMAI Each works with 4 D batteries (not included) INTUITIVE ERGONOMIC DESIGN The massager was designed to be the ultimate massage tool since each therapy node and spike can be used on every part of the body from the neck to the feet