Thank you for viewing. This is a listing for a set of 2 Bluetooth receivers. With two, you won't have to worry about running out of charge. ● Perfect for car stereos, wired earphones, speakers, headsets, and all AUX (3.5mm) audio input devices. ● Press and hold the multi-button for 3 seconds to directly enter pairing mode. Easy to use even for beginners. ● This is a stereo audio receiver compatible with Bluetooth A2DP. ● By connecting this device, you can upgrade home speakers and car stereos that don't have Bluetooth functionality to "Bluetooth speakers" and enjoy music stored on your smartphone wirelessly. ● Compatible with iPhone, iPad, Android smartphones, Bluetooth headphones, tablets, PCs, stereos, car stereos, and other devices. ● Built-in microphone for hands-free calling. Enables safe driving & high-quality calls. Contents: 3.5mm conversion plug, charging cable, audio receiver unit Bluetooth version: V3.0 HSP v1.2/A2DP v1.2/HFP v1.5 Usage time: 4-5 hours Charging time: Approximately 2 hours #Bluetooth Audio Receiver Speaker #Audio Receiver Speaker #Audio Receiver