3 In 1 USB Bluetooth V 5.0 Wireless le Adapter Receive & Transmit For PC TV The product is shipped based on the color or size of the main image of the product page. Product specification: Bluetooth version: 5.0 + EDR Operating range: 10 m / 33 ft (no obstacles) Transmitter mode: Red LED on Receiver mode: Blue LED on Mode s : click the button Product size: 45 * 20 * 9.5mm Net weight: 5g weight: 15g Packaging accessories : 1 * Bluetooth 5.0 receiver transmitter Adapter 1 * AUX AUDIO CABLE 1 * Instruction manual ing steps: product is plug and play without driver A: Launch mode - red light 1. Plug the device into the USB port for power supply, s to the transmission mode, and the red light will flash, and the Bluetooth device status (such as Bluetooth adapter, Bluetooth headset, Bluetooth speaker) will be automatically searched; 2. Insert one end of the 3.5mm audio cable into the aux interface of the adapter, and plug the end into the audio output port of TV, projector, tablet computer, MP3 player, CD player and equipment or o signal output hole of TV; 3. Turn on the Bluetooth