One-to-two configuration battery models include: a pair of SMD, one-to-two button line, three batteries, one adhesive board, manual, machine, color box

       One-to-two configuration power supply models include: a pair of patch, one-to-two button line, three batteries, one adhesive board, manual, machine, color box, power supply, USB data cable

  one-to-four configuration battery models include: 2 pairs of patches, one-to-four button line, three batteries, one adhesive board, manual, machine, color box,

  one-to-four configuration power supply models include: 2 pairs of patches, one-to-four button line, three batteries, one adhesive board, manual, machine, color box, power supply, USB data cable

  there are 4 pairs of patches, 2 one-to-four button lines, three batteries, one adhesive board, manual, machine, color box,

  double hole 8 stickers + European power supply inside: 4 pairs of patches, 4 one-to-four button lines, three batteries, one adhesive board, manual, machine, color box, European power supply, USB data