The perfect combination to relieve menstrual pain and endometriosis.| Flat design and flexible fit: ideal for discreet use under clothing.| Wireless and with a rechargeable battery: for maximum freedom of movement.| Heating pad dimensions with electrodes: 182 x 87 mm ± 0.5 mm| Single electrode dimensions: 49.5 ± 0.5 mm| Heating program: 43°C ± 2°C.| Pulse shape: bipolar rectangular pulses| Pulse width: 75 µs ~ 250 µs ± 10%| Output frequency: 8~100 Hz ± 10%| Output current: max. 35 V peak-to-peak ± 20%