Features 1.2 IN 1 DESIGN: Bluetooth AUX adapter receiver and transmitter 2 in 1, long press the left and right function button to switch the mode. 2.3.5MM 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. 3.STABLE TRANSMISSION: Bluetooth transmitter and receiver transmitting range up to 10m/32.8ft, stable transmission without lag. 4.NOISE CANCELLING: Wireless 3.5mm sound adapter has built in AEC noise cancellation and ANC noise cancellation circuits to restore pure sound quality. 5.LCD DISPLAY: Bluetooth 5.0 transmitter receiver with LCD display is easy and intuitive to use and suitable for a wide range of devices. specificationItem Type: Bluetooth 5.0 Transmitter Receiver_x000D_ Material: Wire_x000D_ Use: Bluetooth Adapter_x000D_ Size: As Shown In The Picture (Sound Cable Length: Approx. 30cm/11.8in)_x000D_ Input Voltage: DC5V_x000D_ Input Interface: 3.5mm Sound_x000D_ Transmission Distance: Approx. 10m/32.8ft_x000D_ Bluetooth Version: Bluetooth 5.0_x000D_ Interface: USB_x000D_ Transmission Rate: 100 (Mbps)_x000D_ Operating Frequency: 2.4 (MHz)_x000D_ Power Supply: USB Power Supply (Product Not Included)_x000D_ Suitable Type: Computer, TV, Projector (Transmitting Mode), Speaker, Headset (Receiving Mode) PackageList1 x_x000D_ _x000D_ Bluetooth5.0TransmitterReceiver 1 x 3.5mm Sound Cable NotePlease allow some error due to manual measurement.