Part number: W900-BLTM

Hamilton W900-BLTM Bluetooth Transmitter - Receives audio signal via Bluetooth or aux input.  It transmits high quality audio via FM to W901 series headphones within a 300 foot range.

Switchable between 4 frequencies:

Blue - 72.500 MHz
Yellow - 72.100 MHz
Green - 72.900 MHz
Orange - 74.700 MHz

Product Features:

Superb sound without cords or wires - no interference from other electronic equipment
Operates on dedicated channels
Listen with an infinite number of headphones on one frequency with one transmitter
One (1) year warranty.