0.8ร1ร1.2ร1.5ร1.7ร2ร2.5ร6 minโก๏ธ7 min 30 sec6 min5 min4 min3 min 32 sec3 min2 min 24 secIntroduction0.8ร1ร1.2ร1.5ร1.7ร2ร2.5ร6 minโก๏ธ7 min 30 sec6 min5 min4 min3 min 32 sec3 min2 min 24 secIntroductionYour user agent does not support the HTML5 Video element.