Bluetooth Transmitters features: Visualization Bluetooth Transmitter And Receiver,usb Bluetooth 5.0 Transmitter With Display Color: we send based on the color or size of the main image of the product page. Quantity：we send based on quantity on title, if there is no quantity in the title, we send based on description. Features: Transmitter Receiver 2-In-1: Universal Bluetooth audio adapter makes your TVs and other devices Bluetooth enabled to stream audio to your Bluetooth headphones, or makes your home stereo Bluetooth enabled to receive the wireless music streaming from your phone and tablet. Via USB, you can use Bluetooth transmitter directly on PC; When you need to use on TV (Bluetooth adapter as transmitter), headphones, car stereo, home stereo (Bluetooth adapter as receiver), please use the included 3.5mm cable, requires USB plugged in power to power the device NON-Compatible Devices: 1. Only for audio, not for ps4,mouse, keyboards or game controllers,printer, projector; 2.Only suitable for audio transmission, does not support the microphone call function; 3.When used as a transmitter, please adjust your Bluetooth headset or speaker to adjust the volume, when used as a receiver, hold long press UP button or Down button to volume control