JOYO TECHNOLOGY is a professional company specializing in R&D, manufacturing and marketing digital products for music education. Our main products include: Effects Pedals, Guitar Amplifiers, Tube Amplifiers, Rock House, Metronomes, Tuners, EQ systems, Drum Practice Pads, Pedal Controllers, Synthesizers, E-Erhus, Wireless Systems, Audio Cables and Portable Power Supplies. Through product R&D, and with the strong support of a number of industry specialists, JOYO possesses its own acoustic core technology and has applied for several utility patents. JOYO has cooperated with many famous musical manufacturers at home and abroad, and JOYO products have been received by customers with great appreciation and affection. With a young and energetic team, we are devoted to being the forerunner of professional digital products for music education all over the world. That's what makes JOYO your excellent choice! Company principles? CUSTOMER FIRST: Our customer's satisfaction is our honor. CREATIVITY: Continuous innovation in a new era. ADAPTABILITY: Always accepting new challenges in constant pursuit of new technologies and services. CONFIDENCE: Providing the best products and services.