Feature●Latest version 5.0 of wireless Bluetooth communication standard, no audio delay/latency, noise cancellation, improved speed and range, dual audio and backward compatible●3.5mm male to male to avoid cable connections without compromising sound quality. Just you and the music, its easy.●CVC8.0 NOISE CANCELTION: Built-in microphone with CVC8.0 noise reduction technology and DSP chip ensures clear listening and authentic voice transmission. The hands-free function makes calling while driving a breeze.●Enjoy wireless stereo music and no longer worry about missed calls. Easily make your TV/projector compatible with Bluetooth by using transmitter (Tx) mode via the 3.5mm audio jack●BEST SERVICE:30 days satisfaction guarantee! One year warranty and emergency replacement service.Description 1