visa needed for singaporean too..into US

Having Singapore Passport doesn’t mean one will be exempted from the requirement of visa into US!
One traveling to US will not need a visa unless:

have new biometric passports
older passport that was issued, renewed or extended between Oct26,2005 and Oct25 last year, has a digital photograph printed on the data page or a biometric chip containing


Details of immigration rules can be found at
www.travel.state.gov