High Resolution Wireless Audio Adapter. The world 1st streaming High-Quality Audio via WiFi Technology. Support streaming audio via WiFi & connecting internet via 4G at the same time. Hi-Fi Audio Cable: Ultra Pure OFC process cooper cable build-in which provide truly high quality audio-performance. ZERO Noise: Build-In power isolation technology. No more noise sound of current / voltage from car battery generator. Hi-Q DAC: Wolfson WM8988 high efficiency DAC chip build-in. (SNR 100dB / THD -90dB @ 48kHz) Lossless Audio: More detail, more dynamic experience over WiFi audio to your car audio system. Mute Message Notification: You will never get interrupt sound from Skype, what’s app, FB,LINE....etc. out of speaker via WiFi connection. JAM Music: Support multiplayer connection at the same time. Just play your favor music in anytime from everyone in car.