Electrical Massager Tens Machine Unit Back Pain Therapy Pulse Muscle Stimulator Key Features: 27 Experiences in 1 Device: Unlock the power of our Tens Unit Muscle Stimulator with 9 massage modes and 3 frequencies. Relieve pain in shoulders, back, and more, perfect for post-workout recovery or daily fatigue. Safe, Effective Pain Relief: Harness the low-frequency pulse technology for safe, efficient relief from sore muscles. Ideal for shoulder, waist, back, neck, and extremities – combat exercise strain or household fatigue effortlessly. Wireless, Eco-Friendly Design: Enjoy unrestricted use with our rechargeable stimulator machine. Forget about batteries – a single charge lasts 40 hours, making it eco-friendly and more durable than other devices. A USB cable is included for hassle-free charging. Family-Friendly Simplicity: Dual-port output allows simultaneous use by two family members. Easy one-button operation ensures simplicity and convenience. Enhance your family's well-being effortlessly. Long-lasting, Easy-Clean Pads: Our water-washable, dust-proof electrode pads offer over 50 washes. The upgraded adhesive on the TENS Unit Replacement Patches provides better self-stick performance and easier cleanup for an extended lifespan. Refresh Anytime, Anywhere: Revitalize yourself after work, exercise, or whenever fatigue strikes with our Tens Unit Muscle Stimulator. Portable and versatile, it's your go-to solution for quick, effective refreshment. Specifications: Rated Voltage: 5 V Rated Power: 1.5 W Charging Port: Type-C Product Weight: 106 g Product Size: 14 x 6.6 x 2 cm Pacakge included: 1 x Main Unit 2 x 4-Way Connector Wire 8 (4 pairs) x Patch 1 x USB Cable 1 x User Manual Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.