AmpliVox S1695 is a handheld transmitter with an LCD screen, interchangeable microphone head, and adjustable microphone input sensitivity. It features a group and channel selection option, allowing for multiple transmitters to be used simultaneously without interference. The transmitter data can be locked to prevent accidental changes. The battery level is displayed on the screen, and the device uses two "AA" alkaline or rechargeable batteries with a life of up to 10 hours.