O​verview:The overall appearance is small and exquisite, comfortable to grip. Equipped with a color screen display, which can display the waveform, time-frequency, volumes, as well as pitchindicator and a corresponding piano pitches display. Various function settings of the device can be realized by the 4 control buttons on the panel. There are more than 70 types of vocals for you to choose from, including more than 20 traditional Chinese folk instruments. Self-contained speakers and pluggable antennas.​​Features:​【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.​【Color Display】: Equipped with a color screen display, which can display the waveform, time-frequency, volumes, as well as pitchindicator and a corresponding piano pitches display.​【Function Settings】: Easy to use and operate, various function settings of the device can be realized by the 4 control buttons on the panel. The setting information of the device such as volumes, pitches, timbres, etc. will be lost after restarting, if you want to keep the settings, please save it in the settings interface.​【Voices Adjustable Design】: There are more than 70 types of vocals for you to choose from, including more than 20 traditional Chinese folk instruments.​【Complete Accessories】: Self-contained speakers and pluggable antennas, with antenna calibration function. In addition to connecting to audio devices such as headphones, it can also playsound through the self-contained speakers. When the audio device is connected, the external speakers will be automatically turned off. The antenna can be unplugged, extended, and retracted, which makes it more convenient to store.​【Type-C Interface】: Powered by a Type-C cable(included), you can use it whenever and wherever you want by plugging it into the chargepal. â€‹â€‹Specifications:​Name: Musical Instrument â€‹Material: Plastics metal​Item size: 98 * 70 * 17mm / 3.86 * 2.76 * 0.67in​Item weight: 170g / 6.00ounce​Package size: 153 * 151 * 51mm / 6.02 * 5.94 * 2.01in​Package weight: 232g / 8.18ounce​​Package Included:​1 x Musical Instrument​1 x Type-C Cable​2 x Antenna​1 x Guideline​NOTICE:1. No battery included;  requires external power supply.  You’ll need to prepare your own charger or portable power bank for operation.  Equipped with a TYPE-C power port.2. This is a toy-style device, not a professional theremin.  Please do not purchase if you require an authentic theremin instrument.3. No detailed tutorials provided.  Buyers should confirm their operational proficiency beforehand.  Only includes a basic illustrated manual.