Color:

K1 standard

K1 standard + ball (gray cordless ball)

K1 standard + foam ball (gray ball)

S7 White and Green Standard [countable Zhilian dual APP]]

S7 cherry powder standard [countable Zhilian dual APP]]

S7 dark blue standard [countable Smart Link dual APP]]

S7 white and green dual-use [countable Zhilian dual APP]]

S7 cherry powder dual-use [countable Smart Link dual APP]]

S7 dark blue dual-use [countable Smart Link dual APP]]