Speakers come without a transmitter. Speakers are in good condition with power adapters. (They have different output voltage). Only one speaker comes with rechargeable batteries (used) I don’t know how long do they hold a charge. Enhance your audio experience with these wireless 2-way speakers from Acoustic Research. These standing speakers in rectangular shape are perfect for your home audio needs. The unit type is a unit with black color, and its model is AW871. These speakers allow easy connectivity with a wireless system, making it hassle-free to use. Enjoy high-quality sound with these speakers without worrying about the condition as they are built to last. These speakers are perfect for use in your living room, bedroom, or any other room where you want to enjoy music or watch movies. Don’t miss out on this great opportunity to own these amazing speakers from Acoustic Research. Please submit “Best Offer” for consideration.