TENS Unit 16 Modes Pain Relief Body Massager Rechargeable Mini Muscle Stimulator Electronic Pulse Massager Blue Kit Square Pads

Description

Power Supply: Rechargeable lithium battery (Batteries Included inside the machine) 3.7V. Remove AC adapter when use Recharge time: 2-3 hours. Rechargeable time over 8 hours is strictly prohibited. Working Temperature: 23°F-90°F DON'T explore under hot environment Remove AC adapter BOTH from power and the machine after recharge. Even if AC adapter connected with machine only, the AC adapter's red light will be on because the lithium battery has power: So make sure the AC adapter red light is off to save energy and extend machine life.