The battery, receiver, DA converter, driver, etc …. are made up of many parts in a small earphone housing, so it is extremely difficult to reproduce attractive sound. The biggest drawback of Bluetooth Earphone is that the sound is cloudy and light. It takes a long time to produce a powerful sound with a sense of reality like a wired earphone. Since the end of the 20th century, Rosencrantz has been a leader in the audio world as a top runner in vibration control. We will soon release powerful sound quality improvement goods that make full use of our abundant know-how. The name is’Bluetooth Chip’What

and how does it sound … If you listen to the sound, you can see the answer. Just stick it with double-sided tape and you will be able to see the whole picture of the music as if the muddy sound was mistaken. Such a magic chip was born! If you are using a completely independent wireless product and want to enjoy listening to music more, please try it!