NOISE TRAKER II, EXPANSION, TSG NATURE SOUND MADE FOR I PHONE, EAR TO EAR COMMUNICATION, NATURAL DIRECTIONALITY, DFS ULTA II , WIND GUARD, SOUND SHAPER ACCEPTANCE MANAGER,PHONE NOW & COMFORT PHONE,TV STREAMER 2, MICRO/MINI/ MULTIMIC,PHONE CLIP, REMOTE CONTROL,TV-STREAMING BASS BOOST, MIC STREAMING BASS BOOST. FITTING RANGE UPTO 20-100DB, FOR MILD TO SEVERE HEARING LOSS, 17 CHANNEL, 2 YEAR WARRANTY.