Welcome to our store!</br> 1、This portable, lightweight wireless audio transmitter and receiver is the ideal wireless audio solution for a variety of situations and applications. 2、Transmitter mode. Wirelessly transfer audio from a non‑Bluetooth TV, home stereo system, or CD player to a Bluetooth headset or speaker. 3、Receiver mode. Wirelessly transmit audio from a Bluetooth‑enabled phone, tablet or computer to a wired stereo, speaker or headset. 4、Exquisite and compact design, easy to carry and use. With 200mAh battery capacity, can work for 5 hours. 5、3.5mm audio output, easy connection, easy to use. <p class="wang-edit-text"><p class="wang-edit-text"> Item Type: Bluetooth&nbsp;Adapter Material: ABS Color: As Pictures Shown Weight: Approx. 74g/2.6in Model: KN321 Bluetooth Version: 5.0 Charging: DC 5V Battery Capacity: 200mAh Battery Type: Lithium Battery Working Hours: 5 Hours Charging Time: 2 Hours Output: 3.5mm Audio Output <style> .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }</style> 1 x Receiver1 x Manual 1 x Charging Cable 2 x Connecting Cable (Customer Satisfaction) - is our priority. If you notice any problems with the products after receiving the goods, such as damaged goods or incorrect quantity, please contact us immediately. We will do our best to provide you with satisfactory after-sale service.</br>