TENS Unit Replacement Pads 2x2 40 Pcs Premium Reusable Electrode Pads
No worries about treatment interruption for dead AA batteries any more! It can give you continuous use up to 10 hours! The power indicator would keep you aware of the remaining battery life (Turn on the unit firstly, then recharge it with the included wall charger; fully-recharged in 1 hour). This tens machine device is fully compliant with FDA standards.