Bluetooth Audio Receiver,Bluetooth Adapter Wireless Aux Receiver 4.1 Bluetooth Handsfree 3.5mm Jack Hands-free Car Kit for Iphone 7/Iphone 7plus/ Headsets/Earbuds/Car Audio/Speaker/Home Stereo

https://www.amazon.com/dp/B078BFRMDH

• Bluetooth Car Adapter is not only for car,it is also could connect with your wired headphones via 3.5mm audio cable/adapter to help you enjoy the wireless.
• use it to connect 3.5mm headphone jack, make your headset become a wireless Bluetooth headset. Just a second to make the speakers a Bluetooth speaker.
• You can answer phone calls or control music on the receiver. Change volume, play/pause/skip music, answer calls, redial the last called number with ease.
• Portable Bluetooth Receiver can support two Bluetooth phones pairing at the same time. It is compatible with most smart phones and Bluetooth electronics, ideal for home or car audio systems and wired headphones, and can also be upgraded to a pair of ordinary headphones into the Bluetooth sports headphones, it is the best choice for outdoor activities such as jogging, golfing, fishing...
• Much less cumbersome than cords. You don't have to plug your phone in every time you get in the car.