Potency enhancementCall center working hours: 9:00 - 20:00 local timeCOD is available only in the following regions:Aceh,North Sumatra,Riau,Riau Islands,West Sumatra,Jambi,Bangka Belitung,South Sumatra,Bengkulu,Lampung,Banten,West Jawa,Special Capital Region of Jakarta,Central Jawa,Special region of Yogyakarta,East Jawa,Bali,West Nusa Tenggara,West KalimantanSouth KalimantanIn other regions, approve only if the customer has agreed to an advance payment.