DANAVOX ANTHE 588DW P BTE- NOISE TRAKER II, EXPANSION ,TSG NATURE SOUND, MADE FOR I PHONE, EAR TO EAR COMMUNICATION,NATURAL DIRECTIONALITY, DFS ULTRA II,WIND GURD, SOUND SHAPER, ACCEPTANCEMANAGER,PHONE NOW & COMFORT PHONE, TV STREAMER 2, MICRO/MINI/MULTIMIC, PHONE CLIP,REMOTE CONTROL,TV STREAMING BASS BOOST, MIC STREMING BASS BOOST. FOR MILD TO PROFOUND HEARING LOSS, 12 CHANNELS, BATTERY SIZE 13, FITTING RANGE UPTO 30-110DB, 2 YEARS WARRANTY.