Qisda QCM-501 is a smartphone specially designed for Internet users and gamers. With a 5” screen, the ultra-slim phone is 7.5 mm thick. The groove design of its edge makes it perfect for single hand use. When used horizontally, the wrapping of the back cover gives a perfect resonance and sound effect to its speakers. The metal speaker net cover also shows both simplicity and noblesse. The main exterior material of Qisda QCM-501 is composed of white plastic. The designers minimized the use of complex materials and removed any unnecessary decorative additions, which gave Qisda QCM-501 a clean and simplistic look and showed their care for the environment.