Feature:1. Usage: Portable audiometer machine designed to quickly screen for hearing acuity and check for hearing attenuation, which is suitable for elderly and kids use.2. Readable Screen: Portable audiometer is a test tool used to test how much sound a patient can hear, with a LCD screen to display the data, which is easy to read.3. Easy Operation: Long press 3 seconds to turn on the device, press the button to select the frequency and sound, and cover the patient ear with a gasket for testing.4. Lightweight: Handheld audiometer machine is small in size and light in weight, just like a remote control, allow you can operate by one hand, suitable for many people to use.5. Package Included: LCD Screen audiometer is made of ABS material, firm and sturdy, come with a spare pad and a storage box, which is durable and can be used for a long time.Specification:Item Type: Handheld AudiometerMaterial: ABSPurpose: A test tool used to test how much sound a patient can hearStyle: Light weight, easy to operate, easy to useBattery Type: 3 x AAA Batteries(Not Included)Listening range: 50dB, 60dB, 70dB, 80dBFrequency range: 500HZ, 1000HZ, 2000HZ, 4000HZ.Package List:1 xAudiometer1 x Spare Pad1 x Storage Box