Handheld Low Level Laser Therapy Pain Relief 808nm Cold Laser For Pain Relief

808nm±20nm（5PCS）+ 650nm±20nm（10PCS）. per 808nm Laser Diode. 650 nm laser can penetrate the skin to 2 ~ 3cm to relieve superficial pain and promote wound healing. 808 nm laser can penetrate deep tissues of human body to 5 ~ 6cm to treat arthritis and shoulder pain.

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