The product is a wireless microphone set that includes 3 Lithium Polymer batteries and has package dimensions of 13.3 x 9.2 x 4.4 cm. It is compatible with various devices such as iPhone, iPad, Android Phone, Camera, Computer, Laptop, and MacBook. The receiver can connect to up to two microphones simultaneously. It features superior noise reduction technology and has a transmission distance of up to 20 meters with a working time of 6 hours. The set is portable and comes with a variety of accessories including microphones, receiver, USB adapter, windproof nets, charging cables, user manual, and storage box.