Here is a portable headphone amplifier that brings Bluetooth to your headphones while enriching your listening experience. The device features Bluetooth 4.2 technology, a 200 mAh battery, and easy controls. The battery lasts up to 6 hours.
The device lets you skip music, play, pause, or answer calls with the push of a button. It also has a microphone with noise cancellation. You can find this project on Indiegogo.