Feature: 1. The electric energy is changed into the pulse signal, and the comprehensive massage is carried out according to the human body needs. The low frequency and medium frequency can be adjusted to ensure the accuracy of massage and improve the function of massage. 2. Large screen LCD, ABS material production, durable to use. 3. 8 massage modes allow you to experience hammering, squeezing, massage, squeezing and kneading. 4. Unique voice broadcast (can be turned off), easy to operate the button, 15 intensity can be adjusted, support time setting. 5. Double output electrode wire, can be used by two people at the same time. 6. Suitable for legs, waist, back, cervical spine and other parts, help to relieve pain, relieve fatigue. Specification: Condition: 100% Brand New Item Type: Muscle StimulatorBattery Capacity: 800mAh Power: 4W Charging Time: 3H Size: Approx. 18 x 12 x 2.5cm / 7.1 x 4.7 x 1inIt is recommended to use the low-frequency mode at the beginning. Package List: 1 x Massager 2 x 2-In-1 Electrode Wire 4 x Electrode Patch 1 x USB Cable