<div class="detailmodule_html"><div class="detail-desc-decorate-richtext"><div><div><p style="font-size:13.3333px"><span style="font-size:14px"><strong>Specifications</strong></span></p></div></div><div><div><p style="font-size:13.3333px"><span style="font-size:16px">Model: KN321/KN319<br/>Technologies: KN321:BT5.0,KN319:BT4.2, A2DP, AVRCP (receiver mode only)<br/>Operation Range: Up to 10m / 33ft (without any blocking objects)<br/>Pairing name:KN321/KN319<br/>Charging Time: 2 hours<br/>Working Time: RX:6 hours ; TX:5 hours<br/>Battery Type: Li-Polymer (200mAh)<br/><br/>Dimensions: 44 × 44 × 12mm <br/>Weight: 18g</span><br/><br/><span style="font-size:16px"><strong>Package Content</strong></span><span style="font-size:16px"><br/>1x Bluetooth 5.0/4.2 Audio Transmitter/Receiver Adapter<br/>1x Micro USB Power Cable<br/>1x RCA Cable<br/>1x 3.5mm Aux Cable<br/>1x User Manual</span><br/><br/><span style="font-size:16px"><strong>Features:</strong></span><span style="font-size:16px"><br/>1.This extremely portable, lightweight wireless audio transmitter &amp; receiver is an ideal wireless audio solution for a wide range of situations and uses</span><br/><br/><span style="font-size:16px"><strong>2.Transmitter mode:</strong></span><span style="font-size:16px">wirelessly streams audio from your non-Bluetooth TV, home stereo system, or CD player to your Bluetooth headphones or speakers</span><br/><br/><span style="font-size:16px"><strong>3.Receiver mode:</strong></span><span style="font-size:16px"> wirelessly streams audio from your Bluetooth-enabled phone, tablet, or computer to your wired stereo, speakers, or headphones<br/><br/>4.Switch between transmitter and receiver modes with the simple flick of a switch. Effortlessly connect using advanced Bluetooth technology and 3.5mm audio cable (included).</span><br/><br/><span style="font-size:16px"><strong>5.Super-Portable Audio-Streaming Power</strong></span><span style="font-size:16px"><br/>The KN321 is just 44mm (1.73&quot;) across and weighs only 18g (0.63oz), but has got powerful wireless audio streaming capabilities. Slip this transmitter &amp; receiver into your backpack or laptop bag and take it on-the-go without the slightest effort.<br/><br/>6.Broad Compatibility: With the included 3.5mm cable and 3.5mm to 2RCA cable, this Receiver Transmitter adapter can widely be used on your computer, laptop, home stereo system, headphone, smartphone, Mp3 player, CD player, etc.<br/><br/>Power on: Press and hold the power on/off button until the LED lights up<br/><br/>Shutdown: Press and hold the power on/off button until the LED is off <br/><br/>Charging: Use the DC-5V charger and micro usb charging cable. The red light is on during charging. When the battery is fully charged, the blue light is on.</span><br/><br/><span style="font-size:16px"><strong>Switch mode:</strong></span><span style="font-size:16px"><br/>1)RX: Receive mode, indicator: blue LED<br/>2)TX: Transmit mode, indicator light: red LED</span><br/><br/><span style="font-size:16px"><strong>RX mode:</strong></span><span style="font-size:16px"><br/><br/>Pairing name: KN321/KN319, find KN321/KN319 in the Bluetooth settings of the phone to pair. The blue light flashes twice a second during the pairing process, and the blue light flashes once every three seconds after the pairing is successful. <br/>how to use:<br/>1)Plug one end of the audio cable into the audio input of the speaker and the other end into the audio of the KN321<br/>2)confirm that it is in RX mode (blue light flash). Find the pairing name in the Bluetooth settings of the phone: KN321/KN319 click to pair.</span><br/><br/><span style="font-size:16px"><strong>TX mode: </strong></span><span style="font-size:16px"><br/><br/>TX mode will automatically search for other Bluetooth receiving devices (such as Bluetooth headset, Bluetooth speaker, Bluetooth receiver, etc.), The red light flashes twice a second during the pairing process, and the red light flashes once every three seconds after the pairing is successful. <br/><br/>How to use: <br/>1)Plug one end of the audio cable into the audio output of the devices and the other end into the audio of the KN321/KN319.<br/>2)Confirm that it is in TX mode (red light flash). The KN321 will automatically search for Bluetooth headset or Bluetooth speaker pairing.</span><br/></p><div style="font-size:13.3333px"></div><div style="font-size:13.3333px"> </div><div style="font-size:13.3333px"></div><div style="font-size:13.3333px"><p></p><div><span style="font-size:14px"><span style="font-family:&quot;trebuchet ms&quot;, helvetica, sans-serif">1.WORLDWIDE SHIPPING. (Except some countries and APO/FPO)</span></span></div><div> </div><div><span style="font-size:14px"><span style="font-family:&quot;trebuchet ms&quot;, helvetica, sans-serif">2.Orders processed timely after the payment verification.</span></span></div><div> </div><div><span style="font-size:14px"><span style="font-family:&quot;trebuchet ms&quot;, helvetica, sans-serif">3.We only ship to confirmed order addresses. Your order address MUST MATCH your Shipping address.</span></span></div><div> </div><div><span style="font-size:14px"><span style="font-family:&quot;trebuchet ms&quot;, helvetica, sans-serif">4.The images shown are not the actual item and are for your reference only.</span></span></div><div> </div><div><span style="font-size:14px"><span style="font-family:&quot;trebuchet ms&quot;, helvetica, sans-serif">5.SERVICE TRANSIT TIME is provided by the carrier and excludes weekends and holidays. Transit times may vary, particularly during the holiday season.</span></span></div><div> </div><div><span style="font-size:14px"><span style="font-family:&quot;trebuchet ms&quot;, helvetica, sans-serif">6.If you have not received your shipment within 30 days from payment, please contact us. We will track the shipment and get back to you as soon as possible with a reply. Our goal is customer satisfaction!</span></span></div><div> </div><div><span style="font-size:14px"><span style="font-family:&quot;trebuchet ms&quot;, helvetica, sans-serif">7.Due to stock status and time differences, we will choose to ship your item from our first available warehouse for fast delivery.</span></span></div><div> </div><h1 style="margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px"></h1><div><span style="font-size:14px"><span style="font-family:&quot;trebuchet ms&quot;, helvetica, sans-serif">1.You have 7 days to contact us and 30 days to return it from the date it was received. If this item is in your possession more than 7 days, it is considered used and WE WILL NOT ISSUE YOU A REFUND OR REPLACEMENT. There are NO EXCEPTIONS! Shipping cost is bear by both seller and buyer in half.</span></span></div><div> </div><div><span style="font-size:14px"><span style="font-family:&quot;trebuchet ms&quot;, helvetica, sans-serif">2.All returned items MUST BE in the original packaging and you MUST PROVIDE us with the shipping tracking number, specific reason for the return.</span></span></div><div> </div><div><span style="font-size:14px"><span style="font-family:&quot;trebuchet ms&quot;, helvetica, sans-serif">3.We will refund YOUR FULL WINNING BID AMOUNT, upon receipt of the item in its original condition and packaging with all components and accessories included, AFTER BOTH Buyer and Seller cancel the transaction from aliexpress. OR, you may choose to have a replacement.</span></span></div><div> </div><div><span style="font-size:14px"><span style="font-family:&quot;trebuchet ms&quot;, helvetica, sans-serif">4.We will bear all the shipping cost if the product(s) is (are) not as advertised.</span></span></div><div> </div><h1 style="margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px"></h1><div><span style="font-size:14px"><span style="font-family:&quot;trebuchet ms&quot;, helvetica, sans-serif">1.12 months Manufacturer`s limited Warranty for defective items (excluding items damaged and/or misused after receipt). Accessories come with a 3-month warranty.</span></span></div><div> </div><div><span style="font-size:14px"><span style="font-family:&quot;trebuchet ms&quot;, helvetica, sans-serif">2.Defective items MUST BE reported and returned within the warranty period (and in the original packaging, if possible). You must tell us what the defect is and give us your order number. WE DO NOT REPAIR OR REPLACE ITEMS WITH AN EXPIRED WARRANTY.</span></span></div><div> </div><p><span style="font-size:14px"><span style="font-family:&quot;trebuchet ms&quot;, helvetica, sans-serif">3.You agree to all of the above-listed policies upon ordering on aliexpress!</span></span></p><h1 style="margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px"></h1><div><span style="font-size:14px"><span style="font-family:&quot;trebuchet ms&quot;, helvetica, sans-serif">1.Your feedback is very important to our Business&#x27;s development,So please leave Feedback 5 Stars if you are satisfied with our products,Thank you very much.</span></span></div><div> </div><div><span style="font-size:14px"><span style="font-family:&quot;trebuchet ms&quot;, helvetica, sans-serif">2.Don&#x27;t leave Negative Feedback without asking us for help,please feel free to Contact with us first if you have any problem.Feedback is our life,before you leave a neutral or negative feedback,please do contact us to get a better solution,We will answer all messages as quickly as possible,Thank you in advance for your patience.</span></span></div></div><div> </div></div></div></div></div><br/>