Listing ID#10111936
CategoryCalculators
Quick answer
Calculator (China (Mainland)) is a Calculators product. Key specs — Origin: China (Mainland).
Product Description
Features: - No need battery for power consumption in using this item - Operation by shaking - Shake at the top of item for 40 times in 15 to 20 seconds for fully charge the battery - After that, it can use for 5 mimutes under the fully charge condition
