... design 2.Bluetooth 3.0 ,British 3.prevent scrtching,sliding 4.support variety systems,, 5.samples available Bluetooth wireless keyboard features: Bluetooth 2.0 interface standard ... Humidity:10%-70% Working current:<5.0MA,Operation Voltage:3.0-5.0V Standby time:150 hours Optional color: sliver ... PS3 Player6.iPhone 4.0 OS or iPad7. Using with non-BT equipped PC or Laptop require a USB bluetooth adapter