Welcome to our store! 1It is a light and ideal wireless audio adapter suitable for various situations and uses. 2The transmitter mode is to wirelessly transmit audio from a nonbluetooth TV, home stereo or CD player to a bluetooth headset or speaker. 3The receiver mode is to wirelessly transmit audio from a bluetoothenabled mobile phone, tablet or computer to a wired stereo, speaker or headset. 4Easy to use, just tap the switch to switch between transmitter and receiver modes. Using advanced bluetooth technology and 3.5 mm audio cable (included) to easily connect. 5With the included 3.5mm cable, this adapter can be widely used in cars, computers, laptops, stereos, earphones, smart phones, MP3 players, CD players, etc.Item Type: Bluetooth AdapterMaterial: PlasticOperating Range: Approx. 15m / 49.2ft (without obstacles)Bluetooth Version: 5.0Input Voltage: DC / 5VInput Interface: 3.5mm audio.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;}1 x Bluetooth 5.0 Audio Transmitter/Receiver Adapter1 x Manual1 x 3.5mm Interface 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.Thanks for seeing me, I hope I can help you. Good life to you.