Pulse output power: MAX 100V / 20mA. Pulse mode: 10 files strength, five kinds of rhythm. Pulse frequency: 2-100Hz. This has different function, total 3 mode: Pulse / Numb / Absorb / Auto. Installation the battery(2pcs AAA battery) then open the host - "Power" button, ( keep press 1-2 second, the red light ).
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