Wireless Bluetooth Receiver: The Bluetooth Audio Receiver is ideal for most Bluetooth devices and is ideal for car audio systems. Simply plug in a 3.5mm auxiliary audio jack device, support wireless hands-free, built-in microphone, provide hands-free calling while driving, wireless stereo music playback | Wide compatibility: Bluetooth audio adapter can connect two Bluetooth devices at the same time, compatible with mobile phones, home speakers, car audio, headphones, so that your device can immediately have wireless Bluetooth, up to 33 feet / 10M connection range, can be Enjoy high quality stereo sound anywhere in the room | Easy pairing: One-touch connection buttons for easy device pairing. Turn on the Bluetooth receiver and turn on the Bluetooth search device of the mobile phone in the pairing state where the red and blue lights flash alternately to make a paired connection. After the manual connection, the pair can be automatically paired | Easy to operate: The Bluetooth receiver is easy to operate and can be connected to control volume, play music or answer calls. Mini clip design for easy phone calls or workouts, with user manual | Battery life charging: Bluetooth receiver has built-in battery life time of 6 hours, with rechargeable USB interface, convenient charging, charging time of 60 minutes, red light when charging, charging completion light is off. We offer a lifetime warranty with a 30 day money back guarantee