1Stimulation: Medium frequency digital meridian massager uses TENS and micro current technology to reducepain, stimulate muscles and improve body performance. 2Long Lasting Rechargeable Battery: After a full charge, you can continuously use electronic muscle massager for 46 hours without worrying about the battery life. 3Dual Output: Pulse massager has 2 independent output ports, and each of them can be operated separately to meet the needs of multiple users. 4Multiple Modes And Electrodes: With 15 preset modes and 2 electrode pads, you can adjust the settings of machine to comfortably fit your body needs. 5Adjustable Timer: Treatment time can be adjusted from 10 to 60 minutes, giving you the freedom to customize your therapy session according to your needs.