Disnix A6 Mini Wireless Audio Receiver 3.5mm Bluetooth V4.0 Car Stereo Adapter A2dp with Apt-x & NFC &ndash; Ideal for Home Stereo Speakers and Car Aux-in Rechargeable 230mAh Lithium Polymer battery offering 12 hours play time. Lightweight and very Portable Audio receiver With NFC and Supports APT-X premium sound with No distortions Comes with a Built-in Bluetooth CSR BC8645 Chipset, V4.0+EDR Perfect for Home theatre systems and Car Stereos