Computer controlled Tapping Massager   300 x 4 types of massage rhythms, by built-in program.   Structured to absorb and repulse in appropriate   strength regardless of users' weights.   Wood(MDF) frame  5 levels of strength control   10 minutes auto-off system for safety   Frame Material: Wood pattern MDF   Power:AC220V 60Hz, German power-connector  Rated Usage Hours: 10 minutes For more details, see picture or contact us.