Requires 2 AAA batteries (NOT Included); For use with Onkyo HT-R695, HT-S7800, TX-NR555, TX-NR575, TX-NR585, TX-NR656, TX-NR686, TX-NR676, TX-NR676E, TX-NR757, TX-NR777, TX-NR787, TX-RZ610, TX-RZ710, TX-RZ720, TX-RZ730, TX-RZ810, TX-RZ820 AV receivers.
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