Check the listing for details. PROFESSIONAL TELEPHONE VOICE CHANGER, 16 DIFFERENT VOICE ALTERING LEVELS.. Condition: New. Listed at 72.00 USD. MODEL PRO-16 BRAND NEW, 16 LEVEL PORTABLE, ELECTRONIC VOICE CHANGER FOR EITHER CELL PHONE OR HOME TELEPHONE. YOU CAN USE THIS UNIT WITH ANY TYPE OF PHONE. IT RUNS OFF A STANDARD 9 VOLT BATTERY (NOT INCLUDED). YOU CAN FOOL EVERYONE AND HAVE A TON OF FUN! FEATURES 16 DIFFERENT VOICE ALTERING LEVELS, VOLUME CONTROL, BUILT IN MIC, COMES WITH A SIMULATED LEATHER ZIPPERED CARRING CASE. IT COMES WITH A SPEAKER (ACCOUSTICAL COUPLER). WERE SELLING THESE AT A TERRIFIC LOW PRICE. SIMPLY, COMPARE OUR PRICE TO OTHER SELLERS. YOU'RE GETTING THE LOWEST PRICE ANYWHERE! AND YOU DON'T HAVE TO ORDER OVERSEAS AND WAIT AN ETERNITY BEFORE YOU RECEIVE ONE!FAST U.S. PRIORITY MAIL SHIPPING.