Profile: Focus Research Ltd. focuses on audiological solutions. Our products include patient response switch, miniature printer, miniscreener, nanoscreener and warbletone audiometer. Our miniscreener is a hand held puretone audiometer that uses microprocessor and DSP technology to produce a wide range of accurate frequency and level test stimuli. The warbletone audiometer is used in audiology such as pediatric screening and in hearing aid clinics. Our nanoscreener is a high specification screening free field and puretone audiometer. Its frequencies and levels can be connected to a USB port of a PC for downloading test data. This nanoscreener contains internal data storage for up to 1000 tests, which after downloading to the PC can be reviewed using nanoscreener software, and individual tests can be printed out using a battery operated serial printer. Our patient response switch is designed with a quarter inch jack socket that allows the usage of sound booth with standard patch cords. We also provide miniature printer, which plugs into the serial printer socket on the miniscreener, to allow for the printing of the test results.