The NFC Car Bluetooth Handsfree Kit Aux Speaker 3.5mm Audio Music Adapter Receiver lets you safely make handsfree phone calls through car stereo. It connects to AUX input of car stereo system using a 3.5mm audio cable. The adapter streams audio and calls from paired cellphones via Bluetooth V4.0. Adopting the latest technology、 it can pair and maintain connection with two cellphones at the same time. And it supports NFC quick pair for added convenience. Don&acute;t hesitate to buy now!                                    <p>Features</p>            <ul><li> Let you safely make handsfree phone calls through car stereo</li><li> Connect to AUX input of car stereo system using a 3.5mm audio cable</li><li> Stream audio and calls from paired cellphones via Bluetooth V4.0</li><li> Pair and maintain connection with two cellphones at the same time</li><li> Support NFC quick pair</li><li> 5V DC power supply</li><li> Add Bluetooth connectivity to any speaker </li></ul>                                                            <p>Specifications</p>            <table width="100%" border="0" cellpadding="0" cellspacing="0"><tbody><tr><td width="131"> Bluetooth Version</td><td width="365"> 4.0</td></tr><tr><td width="131"> Frequency Response</td><td width="365"> 20-20000Hz</td></tr><tr><td width="131"> Bluetooth frequency</td><td width="365"> 2402-2480MHz</td></tr><tr><td width="131"> Supported Bluetooth Profiles</td><td width="365"> HFP、 HSP、 A2DP、 AVRCP</td></tr><tr><td width="131"> Bluetooth Range</td><td width="365"> 30 feet</td></tr><tr><td width="131"> Distortion</td><td width="365"> <0.5%</td></tr><tr><td width="131"> Charging Input</td><td width="365"> DC 12-24V</td></tr><tr><td width="131"> Charging Output</td><td width="365"> DC 5V/2.1A (Max)</td></tr><tr><td width="131"> Color</td><td width="365"> Black</td></tr><tr><td width="131"> Dimensions</td><td width="365"> (58.66 x 1.77 x 0.59)" / (149 x 4.5 x 1.5)cm (L x W x H)</td></tr><tr><td width="131"> Weight</td><td width="365"> 1.38oz / 39g </td></tr></tbody> </table>                                                            <p>Package Includes</p>            <ul><li>1 x Bluetooth Car Kit</li><li>1 x Dual-USB Car Charger</li><li>1 x Sticker</li><li>1 x User Manual</li></ul>