The Logicom CI FM Receiver is an FM personal amplification system and cochlear implant accessory designed for use by individuals who are deaf or hard of hearing. This small, lightweight unit lets cochlear implant users receive clear speech, without restricting physical activity. It is compatible with both ear-level and body worn processors, and connects directly to a processor via the auxiliary input. Direct connection improves signal to noise ratio and sound quality. It can also connect into a BTE (behind the ear) processor, which may require an auxiliary port. The unit operates on the 216 to 217 megaHertz (mHz) band. OPTIONS: Microphone transmitter. POWER: Uses size 13 zinc air hearing aid battery. DIMENSIONS: 0.5 x 0.75 x 0.75 inches. WEIGHT: 0.35 ounces.