Specification AgeRangeDescription : Adult Brand : Generic BulletPoint : WT588D-U Voice Control Board WT588D-U-32M 5V Mini USB Interface Sound Controller Module 32M DC 2.8V 5.5V DAC PWM WAV Output BulletPoint1 : 【Built In Speaker】: The mini musical instrument is built in speaker and supports a headphone connection. The built in speaker brings instant performance experience, and automatically turns off after connecting headphones. Type C interface powered, convenient to use. BulletPoint2 : 【Color Screen Display】: The mini theremin musical module adopts a clear color screen display, is intuitive and easy to use, clear display of waveform, time and volume, easy to understand. BulletPoint3 : 【Music Lover Gift】: The electronic instrument is also equipped with pitch indicator and corresponding piano display, which helps beginners master instrument playing skills more easily, is a nice gift for music lovers. BulletPoint4 : 【Multiple Adjustable Voices】: The ingenious electronic instrument can provide more than 70 sound options, including more than 20 traditional Chinese instruments, rich timbre selection to meet different needs. BulletPoint5 : 【Compact Size】: Compact and portable mini theremin electronics kit with detachable antennas, comfortable to hold and play, easy to store and carry, enjoy music fun anytime. Color : Black ConnectivityTechnology : USB-C ConnectorType : USB Type C Format : mp3_audio HardwareInterface : unknown HeadphonesJack : No headphones jack Instrument : Piano ItemName : Generic WT588D-U Voice Control Board WT588D-U-32M 5V Mini USB Interface Sound Controller Module 32M DC 2.8V 5.5V DAC PWM WAV Output, WYC_DJFF_10391 ItemPackageDimensions_Height : 5 centimeters ItemPackageDimensions_Length : 17 centimeters ItemPackageDimensions_Width : 16 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : sound-modules Manufacturer : Generic MicrophoneFormFactor : Built-In MicrophoneOperationMode : Mono ModelName : Asixxsixc8pzhe02og ModelNumber : WYC_DJFF_10391 NumberOfItems : 1 PartNumber : WYC_DJFF_10391 PowerSourceType : Corded Electric ProductDescription : 1. Package of 28 pins module, which can be replaced memory for gaining different lengths of storage time. 2. Supports 2M bit ~ 32M bit capacity SPI-Flash ( Note: 1byte = 8bit) 3. WT588D-20SS voice used as a control core chip. 4. Embedded human voice processor, feel very natural and sweet. 5. Good audio output for 13Bit/DA converter and 12Bit/PWM processing of audio. 6. Support for loading 6K ~ 22KHz audio sampling rate. 7. PWM output can directly promote 0.5W/8 speakers and plenty of current. 8. Support DAC / PWM output. 9. Support for loading WAV audio format. 10. Support key control mode, one-wire serial control mode, three-wire serial control mode. 11. A variety of IO trigger ways can be seted to in button control mode. 12. The way of BUSY signal output can be set in a random manner. 13. Loading no more than 500 segments voice for editing. 14. Address bit is controlled by 220 segments voice, but a single address bit just can load up to 128. 15. Voice player to enter the sleep mode to stop immediately. 16. It is simple interface and convenient because of using WT588D Voice Chip that ed to exert its functions. 17. A lot of operations can be finished in software. Such as setup control mode, inserting voice, compositing voice, calling voice, etc. 18. Free to insert mute, mute time range 10ms ~ 25min. 19. Support online USB download / offline USB download.?Moreover, it also can download data to SPI-Flash even if WT588D-U are working. 20. Operating voltage: DC2.8V ~ 5.5V. 21. Dormant current less than 10uA 22. Powerful anti-jamming. Widely used in the industrial field. 23. Memory:32M Description Button control mode is flexible to trigger and free to set any button to re-trigger .There are 15 trigger ways. Including trigger Impulse Repetition , trigger pluse Without Repetition , invalidation keys, no cycle Level , Recycled