?The USB Bluetooth Receiver is specially designed for Car Stereo systems and Home Audio System. And£¬ it can change the traditional Speaker£¬ Car Stereo systems and Home Audio System into Bluetooth-enabled ones£¬ and easy to pair with Bluetooth-enabled Smart Phones£¬ laptop£¬ tablet£¬ etc. With this product£¬ you can greatly enjoy wireless music from your Smart Phone£¬ Computer£¬ Laptop &amp; MP3 without the hassle of cables. It is perfectly suitable for the car owners. ?? <br><br><strong>Features:</strong> <br>Magical Function: The Bluetooth Receiver Change the traditional Speakers into Bluetooth-enabled ones. After paired£¬ play music wirelessly from your Bluetooth-enabled Smart Phones£¬ Laptop£¬ Tablet£¬ etc.? <br>Great Hardware: Bluetooth 2.1 + EDR ensure stable signal and super-fast data transmission. ?? <br>Compatible with Most Speakers: Connect the Bluetooth Receiver with any Audio Input Devices£¬ Stereo System (Car Stereo Systems£¬ Home Audio System) &amp; Speaker through 3.5mm audio jack.? <br>Support Noise Suppression and Echo Cancellation£¬ offering you Magnificent Stereo Sound &amp; Wonderful Sound Quality.? <br>Compatible with Lossless Audio Format; Support 3.5mm Audio Output.? <br>Superior wireless performance; Transmit up to 30 feet away with line of sight. <br>Perfectly Compatibility: For iOS / Android Smart Phones£¬ PAD and other Bluetooth-enabled Devices. <br><br><strong>Specifications</strong>: <br>Bluetooth Version: Bluetooth 2.1 + EDR£¬ Class 2.? <br>Bluetooth Operating Distance: &gt; 10m <br>Output Connection Way: 3.5mm Stereo Interface. ? <br>Color: Black <br>Item Size: 3.5 * 3.0 * 1.0cm / 1.37 * 1.18 * 0.39in <br>Item Weight: 7g / 0.26oz <br>Package size: 12.5 * 7.5 * 1.5cm / 4.9 * 2.8 * 0.79in <br>Package weight: 16g / 0.59oz <br><br><strong>Package List:</strong> <br>1 * USB Bluetooth Receiver <br>1 * English / Chinese User Manual