RIVERSONG Bluetooth 5.0 Receiver Transmitter, Upgraded 2-in-1 Wireless Aux Adapter, Hands-Free Car Kits 3.5mm Jack Bluetooth Audio for Audio Stereo System Headphone Speaker
<b>Specification:</b><br> S/N: 92db<br> Bluetooth: V4.1 A2DP, AVRCP<br> Frequency Response: 20 Hz - 22 kHz<br> Battery Life: Up to 5 hours<br> Charging Time: 1.5 hours<br> <br> <b>Pairing Steps:</b><br> RS BT-Receiver shall be paired and connected to your device before using.<br> 1. Long press button MFB (1) for 6 seconds, RS BT-Receiver will be power-on and enter pairing mode, MFB (1) will flash red and blue when it is in pairing mode.<br> 2. Activate Bluetooth function of your device and search for RS BT-Receiver;<br> 3. Select RS BT-Receiver and enter password "0000";<br> 4. Your RS BT-Receiver should now be connected with your device.<br> 5. Each RS BT-Receiver has memory function and it will automatically connect to last connected device after it is turned on and Bluetooth function of your device is activated.<br> <br> <b>Attention:</b><br> If RS BT-Receiver could not be found on your Bluetooth Device List, please proceed Step 1 again and follow instructions below:<br> [DO NOT release your hand from button MFB (1) in 3 seconds and MFB (1) indicator only flash red and blue one time.]<br> <br> <b>Warm Prompt: </b>Pairing mode only lasts 3 minutes once it is being activated, indicator flashed blue slowly will be out of pairing mode. To re-activate pairing mode, kindly turn it off and follow instructions mentioned above again.<br><br> <b>One Year Warranty:</b><br> <b>One Year unconditionally refund or free replace if defective or any quality problems, lifetime friendly technical support offered by RIVERSONG.<br>Login your amazon account > choose "Your orders" > find the order ID > click "Contact seller".</b><br><br> <b>Package includes:</b><br> 1* RIVERSONG Bluetooth Receiver<br>1* USB charging cable<br> 1* User Manual.<br><br>