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About product and suppliers:
            446 computers optical readers products are offered for sale by suppliers on, of which reading glasses accounts for 8%, eyeglasses frames accounts for 7%, and pdas accounts for 1%. 

A wide variety of computers optical readers options are available to you, such as black, watermelon red, and blue. 

There are 120 suppliers who sells computers optical readers on, mainly located in Asia. The top countries of suppliers are China, Taiwan, China, from which the percentage of computers optical readers supply is 89%, 10% respectively.