1)Price and sales
Although the price is not a decisive condition for the quality of the voice chip, it is at least one of the conditions. If the number of voice chips required is large, the price and quality must be balanced.The sales of manufacturers' chips are also one of the important factor, and the sales volume is relatively high.

2)Quality and function
Choose the talents of manufacturers with excellent product quality to ensure their later use life and effects. In addition, voice chip manufacturers also tell consumers to see if the function of the voice chip has the functions of storage, audio playback, etc. Only with the function of the voice chip.These functions of products are trustworthy.

3)adaptability
The application of voice chips has a very basic condition, that is, this chip must be able to adapt to various complex and changeable environments. Only by with this powerful voice chip product to meet the needs of different salesmen and simplify the operation order of the operation.And this is also an important element for users to buy voice chips.