1. 12 massage modes: Each mode has N waveform combinations for different parts of the body to meet the needs of different populations. 2. Equipped with different electrodes: Experience different rehabilitation needs. External medium - frequency electrode pulse massage for areas where pain occurs, including neck and shoulder, waist, back, knees, hands, legs and feet for multi - faceted full - body massage. 3. TENS + EMS: Medium and low - frequency pulse current is distributed through the electrode sheet, passes through the skin to reach the nervous system, activates the motor, and then controls the muscle contraction to help with hand and foot function and physiotherapy. 4. Hand lifting rehabilitation: Stimulates the serratus anterior muscle and trapezius muscle, prompts muscle contractions to help raise the hands. 5. Hand function rehabilitation: Use and application for people. Stimulate the extensor muscles, stimulate finger flexion and extension + hook/wrist lift, increase muscle strength, reduce muscle tone. 6. Leg function rehabilitation: Attached to the anterior tibial muscle on the lateral calf. 7. Muscle strengthening training: Deeply stimulates motor nerves and promotes muscle contraction autonomously. Increases muscle strength and keeps muscles alive. 8. Battery capacity: 1000mAH 9. Output current: 100MA 10. Output voltage: 0 - 50PV 11. Output power: 5W 12. Pulse frequency: 50 - 200Hz 13. Input HZ: DC - 5V 14. Color: as shown 15. Material: plastic 16. Package Contents: 1 x Physiotherapy Instrument Set. Only the above package contents are included; other products are not. 17. Note: Light reflection and different displays may cause the color of the item in the picture to be a little different from the real thing. The measurement allowed error is +/- 1 - 3cm.