Hands Free Earphone & Microphone Kit
3.5 or 2.5mm Recording Plug to Earphone Jack of  the voice recorder 
1.0mm Audio-in Plug to Earphone Jack of the Cellular Phone, Conventional Phone, or Audio System
*Recording Plug size 2.5mm fits to CLUE (#CLUE-560) & ENCORE (#DN-264U & DN-232U) series
*Recording Plug size 3.5mm fits to New CLUE (#VRDR-1256) & MICRO (#DVR-965A) series

2-AAA Battery Substitute Power Supply Kit
w/ AC/DC 3V-200mA Power Supply for Continuous Recording
*Works only w/ recorders take two 1.5V AAA batteries *2pcs should be work as one unit