Meet Aurathe wireless, rechargeable purple TENS device designed to soothe period pain and help you feel your best. Compact and easy to use, Aura delivers gentle, targeted pulses to ease cramps and tension, and the sleek travel case makes it perfect for relief wherever you go. Our Vush fam says: "A lifesaver for my cycleworks like magic!" and "Stylish, discreet, and so effective!" With FREE shipping* and a minimum 1-year warranty (with replacement or store credit*), now's the time to upgrade your period care routine. Shop Aura now and experience comfort that travels with you!Aura is a transcutaneous electrical nerve stimulation (TENS) machine. It provides painless electro currents that feel like gentle buzzing pulses to help relieve pain. These pulses trick your pain receptors into letting your muscles relax, help calm your overexcited nerves, and encourages endorphins for a happy body and mind. It sticks to your body using gel pads, which can be placed anywhere near the pain for targeted relief.The single patch design means there's no messy cables under clothes to deal with. It's just a single unit for quick, portable, drug free, and side effect free pain relief at the touch of a button. Device Name: TENS Model: SM9187 Power Supply: 3.7V, 180mAh Battery: 3.7V/180mAh Polymer Rechargeable Battery Battery Duration: About 10-12 cycles Weight: 0.85 oz. (24g) Charging Voltage: 5V Fully Charged: Approx. 40 min Duration: Approx. 300 min Device Intensity: 20 levels Max. output: 2.5w Material: ABS + Silicone Stimulation modes: 6 Size of Device: 6.3" L x 2.3" W x 0.5" H (160 L x 58 W x 12.5 H mm)