Features: Support GB2312, GBK-, BIG5 and UNICODE- internal code format text; Clear, natural and accurate Chinese speech synthesis effect; can synthesize- any Chinese text, support the synthesis of English letters. With intelligent text analysis and processing algorithms, it can correctly identify values, number, time- and date, and commonly used weights and measures symbols; Possess strong polyphonic word processing and Chinese surname processing capabilities. Support a variety of text control marks to improve the accuracy of text processing; The amount of text synthesized- each time- can be up to 200 bytes; Support a variety of control commands. Support sleep function, can reduce power consumption in sleep state; Support serial- data communication interface, support three kinds of communication baud rate: 9600bps, 19200bps, 38400bps; Support 16-level volume adjustment. You can adjust the speed of word by sending control marks, and support 6-level word speed adjustment; There are multiple chord- music, prompt sound effects and voice prompts for certain industries in the chip; Internally integrated 19 voice prompts, 23 chord- prompts, 15 background music; The final product provides SSOP- chip packaging; the volume is the smallest in the industry; All indicators of the chip meet the application under harsh outdoor environment. Specifications: Material: ABS Size: Approx. 2.2x2.2cm/0.87x0.87in Product application scope: Vehicle information terminal- voice broadcast, vehicle scheduling, vehicle navigation, bus stop announcement machine, attendance machine, Mobile phone, fixed phone... Note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Synthesis Module