Williams Sound PPA R37 HD PPA Select FM Receiver, Includes: (1) PPA R37N Receiver, (1) BAT 001-2 AA Alkaline Batteries, (1) CLP 015 Belt Clip and (1) HED 021 Headphones Fits with PPA T46, PPA T45, PPA T45NET and PPA T27 transmitters Seek-button access to all 17 wideband frequencies in the 72-76 MHz bandwidth Channel-lock capability, Battery-saving sleep mode Low-battery indicator, Field tunable Includes: (1) PPA R37N Receiver, (1) BAT 001-2 AA Alkaline Batteries, (1) CLP 015 Belt Clip and (1) HED 021 Headphones