●Size: Height 2.6 inches (6.5 cm), Diameter 0.7 inches (1.8 cm), Weight 0.7 oz (20 g) ●Mini Size Microphone with 2 Microphone Covers ●Compatible with smartphones with earphone adapter port only ●A mini microphone that can be easily used by simply connecting it to your smartphone ●Install and use the karaoke app