What is the difference between 3 in 1 function detox foot spa and dual system detox foot spa

3 in 1 detox foot spa for one people use, including detoxification, massage and treatment function.

dual-system detox foot spa for two people use, detoxification function.

Both device using 10 rolls array and dual-core process, best sensor.

Offering free after-sales services and training.

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