Upgrade non-Bluetooth Devices: Easily enable Bluetooth feature for your ordinary devices and let you enjoy wireless connection anytime. Compatible with TV, computer, projector, MP3/MP4 player, car speaker, etc.2-IN-1 Device with Transmitter and Receiver Mode: Transmitter Mode allows you to pair Bluetooth speaker/earphones with TV/computer; Receiver Mode allows you to pair ordinary speaker/earphone with smartphone/ipad.LCD Display Feature: With a display screen so available Bluetooth signals are visible and you could easily pair with your target signal. Compared with traditional device without screen, this is more convenient for use.LCD Display Feature: With a display screen so available Bluetooth signals are visible and you could easily pair with your target signal. Compared with traditional device without screen, this is more convenient for use.Power Supply by USB: No battery, no need to charge, no need to worry about low battery while using, which makes the audio transmission more stable.High Quality Sound with Low Latency: Equipped with a new version of wireless which is more powerful, reduce the audio latency utmostly and the sound quality is more stable.