NURSAL 4 in 1 Tens Unit Muscle Stimulator, Dual Channel EMS Massage Machine with 40 Intensities

【4 IN 1 TENS UNIT MUSCLE STIMULATOR MACHINE】: The NURSAL 4-in-1 tens unit is an excellent choice for pain relief therapy, which has 4 main modes (TENS/EMS/MASS/DIY/) and 25 programs. This TENS Electric Massager can help relieve pain associated with sciatic nerve and aching muscles due to strain from exercise, overwork or normal household work activities. Especially in the DIY mode, the massage machine can offer more customized and personalized pain management treatment as you need. 【DUAL CHANNELS & INDEPENDENT INTENSITY】: This EMS muscle stimulator with CH1/CH2 dual channels features and 40 intensity levels. You can operate the electric massager by setting same mode and program but different intensities. For example, set TENS mode & P04 program in CH1 with intensity level of 8 for your shoulder; While in CH2, same mode & program is being run with stronger intensity level of 10 on your back as a back electric stimulator. Different intensity settings for each channel and tar