Western rivers electronic caller mantis pro 400 bt< FEATURES:-Bluetooth wireless to stream audiio or additional calls from a paired device such as a smartphone.-Two external jacks to accmmodate secondary amplified speaker(s) for virtual surround funtionality.-External power jack and sync connector with mounting bracket for motorized decoy (Removeable cover to expose mount and connector)-Up to 300 yards range for remote control-Auxiliary output to trigger motorized decoy (sync), in addition to motor sync connector-Sound overlay-allows two sounds to play simultaneously-customizable quicksets-Powered by 8 AA batteries-Integrated/removable remote control-Remote control with 2.0" screen with 4 to 6 lines of text/icons (LED backlit) Other Features: Bluetooth wireless to stream audio or additional calls,sd card slot to expand call capacity,2 external jacks,4" 110db hi-output speaker integrated/removable remote control w/300 yard range, mantis pro decoy can attach to caller