Most MEMS microphones are variants of the condenser microphone design. A headset is a headphone combined with a microphone. Apple produced two microphones under the moniker "Apple PlainTalk Microphone". Users typically use headphones with a microphone. A wireless microphone contains a radio transmitter. The Sound BlasterX P5 is an earphone with an inline microphone. They have a microphone but no speaker. The sound source is the camera microphone. However, the voltages of microphone and line level audio signals are not hazardous. Reininger risked wearing a body microphone and recorder. Kaan is a DIY binaural microphone for sound artist. Most older hearing aids have only an omnidirectional microphone. The microphone is a standard USB microphone. These plugins allow access to the device's accelerometer, camera, compass, file system, microphone, and more. Includes 2 native XLR microphone inputs.