3248431030 S/N 053856C41830030AE, THIS HEADSET IS IN BRAND NEW CONDITION BUT WAS RETURNED IN A BOX UNSUITABLE FOR SALE AS NEW. SEE PHOTO'S UNDER IMAGES FOR USED PARTS
BOSE A20 HEADSET CABLE ASSEMBLY/No bluetooth, flexible powered, 5 OHM dynamic microphone, straight cord, 6 pin connector.
BOSE A20 HEADSET CABLE ASSEMBLY/With Bluetooth, flexible power, electret microphone, straight cord, 8 pin connector
BOSE A20 HEADSET CABLE ASSEMBLY/Bluetooth, battery powered, 150 ohm dynamic microphone, straight cord, U-174 plug
BOSE A20 HEADSET CABLE ASSEMBLY/W/Bluetooth, flex power, electret microphone, 6 pin connector BAA version
BOSE A20 HEADSET CABLE ASSEMBLY/No bluetooth, 150 OHM dynamic microphone, straight cord, U-174 plug.