We are Boomerang Musical Products, Ltd. based in Grapevine , USA. We are member of Tradekey.com since January, 2011. Our business is related to Sports & Entertainment industry and we specifically deal in . Please find our product details below: Japanese wall adapter/power supply Plug in wall adapters for Japan: compatible with Japanes plug configuration and wall power specs, output 9VAC 500mA, 2.5mm x 5.5mm connector. Buy them all for $0.90 each. Thank you for taking the time to go through our business profile. If there are any question, inquiry or comments, please feel free to contact us.