Easy to Connect Bluetooth Auxiliary Adpter

Auto-disconnection : charged by built-in rechargeable li-ion battery via mini usb port, and can be shut down automatically if it disconnects with the bluetooth device for 5 mins.work continuously for more than 8 hours, and longer time in standby mode. suit for wired headphones : plug your normal headphones into 3.5mm aux jack and then pair this receiver with your phone via bluetooth, you could use your headphones to hear sound - suitable for phones without 3.5mm audio jack.