Item Type: Bluetooth 5.0 Transmitter ReceiverMaterial: WireUse: Bluetooth AdapterSize: As Shown In The Picture (Sound Cable Length: Approx. 30cm/11.8in)Input Voltage: DC5VInput Interface: 3.5mm SoundTransmission Distance: Approx. 10m/32.8ftBluetooth Version: Bluetooth 5.0Interface: USBTransmission Rate: 100 (Mbps)Operating Frequency: 2.4 (MHz)Power Supply: USB Power Supply (Product Not Included)Suitable Type: Computer, TV, Projector (Transmitting Mode), Speaker, Headset (Receiving Mode)Package List1 x Bluetooth 5.0 Transmitter Receiver1 x 3.5mm Sound CablePlease allow some error due to manual measurement.12 IN 1 DESIGN: Bluetooth AUX adapter receiver and transmitter 2 in 1, long press the left and right function button to switch the mode. 23.5MM SOUND INTERFACE: It can be used for almost all digital products with sound output (3.5mm sound jack), just link the sound to the input port. 3STABLE TRANSMISSION: Bluetooth transmitter and receiver transmitting range up to 10m/32.8ft, stable transmission without lag. 4NOISE CANCELLING: Wireless 3.5mm sound adapter has built in AEC noise cancellation and ANC noise cancellation circuits to restore pure sound quality. 5LCD DISPLAY: Bluetooth 5.0 transmitter receiver with LCD display is easy and intuitive to use and suitable for a wide range of devices.