... equipmentMain technical parameters:1) Power: 3V lithium battery. 2) CR2 charger input: 110v-240v; 50/60Hz. Output: 3.7v; 300mA ± ... the adjustment of biological cells, essentially regulate the body's absorption, conduction, balance, metabolism, immune functions, and ... and 3V ion rechargeable battery.CR2 charger using switching power supply circuit, constant current charging, the voltage application ...