Type-C Interface Audio Theremin Musical Module Vintage Electronic Ingenious Instrument Multiple Voices Adjustable with Color Screen Display gray.Type-C Interface Audio Theremin Musical Module Vintage Electronic Ingenious Instrument Multiple Voices Adjustable with Color Screen Display 【Exquisite Appearance】: The overall appearance is small and exquisite, comfortable to grip. It is very convenient to use and has a high-cost performance. It's extremely playable and perfect as a gift for a friend.