DROK Portable NFC Bluetooth Speaker Receiver Stereo Audio Adaptor with USA Plug Power Adapter Charger for Car Home Sound System Smartphone Tablet Pad or Bluetooth Devices NFC function and IC noise reduction create more perfect performance Bluetooth 3.0 backward compatible; support all bluetooth audio device; support A2DP/AVRCP/HFP Standard 3.5mm jack AV audio output(package includes 3.5mm to RCA cable); compatible with most home stereo system Up to 10 meter (30 feet) wireless connection; play music from your smartphone, iPod Touch, iPhone, iPad, Android when you are on the sofa Power by mini USB 5V (package includes USB to mini USB Cable ); support USB output and intelligent recognition; you can charger your iPhone iPad Android device directly when you playing music