Etekcity Wireless Bluetooth 4.0 Receiver Audio Adapter (NFC-Enabled) for Sound System

STREAM WIRELESSLY: Enables traditional speakers with 4.0 bluetooth for wireless audio streaming from a range of 33 feet.
VERSATILE EXTENSION: Easily adapt via A/V, RCA, and 3.5mm AUX/jack input. Plays well with home theaters, stereo systems, and car stereos.
NFC-CAPABILITY: Amplify the audio of your NFC-capable smart devices with a simple hand gesture. Simply touch your smartphone or tablet to the bluetooth adapter and connect.
RAPID RECHARGE: Runs for an extended period of up to 10 hours on a full charge. No interruptions, no problems.
MINI DESIGN: Compact and lightweight build to easily tuck away and take on your travel. 1 year warranty included by Etekcity