features elegant appearance, delicate workmanship and handsome sound quality, which is a perfect combination of BT earphone and speaker, traditional culture and science technology, special and unique. Features: Elegant appearance, delicate workmanship, comfortable wearing, handsome sound quality. Sophisticated paint process, streaming shape design, showing a delicate and elegant appearance. Perfect combination of BT earphone and speaker, traditional culture and science technology, special and unique. 20% increase of diaphragm effective area, professional digital signal processing and intelligent noise reduction, presenting perfect sound quality. BT4.0 technology, AES-128 encryption, 3ms lower latency, more power-saving, longer active connection distance, bringing you a fantastic using experience. A gift to send best wishes, for RuYi, means wishful in traditional Chinese culture. With additional antiskid pad for stable placing of the speaker in the car.