About this item AUX 3.5mm/RCA audio receiver: There are 3.5mm or RCA output ports for connecting home stereo speakers, wired headphones, and more to play music via Bluetooth. Turn ordinary audio equipment into Bluetooth devices and enjoy a music feast. Dual Pairing for Shared Music: Connect two phones simultaneously via the Bluetooth receiver. Share musical and visual experiences with intimate companions or friends. Built-in Battery: The Bluetooth receiver features a built-in battery that can be used while charging or can work for 8 hours without wire tangles. 10M Transmission Distance: With built-in Bluetooth 5.3, this Bluetooth adapter provides a stable Bluetooth connection for up to 10 meters / 33 feet. Move throughout your space without worry of disconnecting while enjoying a stable connection and your music. Simple, Straightforward Operation: Once successfully connected, the Bluetooth Receiver will automatically reconnect to the last device when turned on. Short press the button o