Latest version 5.0 of the Bluetooth wireless communication standard, no audio lag/latency, noise cancellation, improved speed and range, dual audio and backwards compatible<br> <br> 3.5 male-male connector mm to eliminate cable joints, but without compromising sound quality. Just you and the music, pure and simple.<br> <br> CVC8.0 NOISE CANCELLATION: Built-in microphone with CVC8.0 noise cancellation technology and DSP chip provides clear listening and authentic voice transmission . The hands-free function makes it easy to make calls while driving.<br> <br> Enjoy stereo music wirelessly and never worry about missed calls. Easily make your TV/projector Bluetooth compatible using Transmitter (Tx) mode via 3.5mm audio jack Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.