Technical Support

Thank you for your purchase of BLT electronic product.

To insure trouble-free operation of your product, we recommend the following:

  • The electronic product should be kept in areas free from extreme temperature changes, moisture and dust 
  • A soft, dry cloth should be used to clean the product. Do not use solvents or wet cloth


Warranty Term and Conditions

  • Kay Fung Development Company (hereinafter called Kay Fung) provides one year free carry-in repair service for BLT electronic products, including parts and labor for the electronic products 
  • The warranty not covers the battery 
  • Customer is responsible for delivering and collecting the products at his/her own cost when carry-in repair service is requested 
  • Any detective part or products which has been replaced, shall be Kay Fung's property 
  • Kay Fung shall only honor the warranty card issued by Kay Fung or Best Electronic Company Limited 
  • No warranty card or supplementary copy will be issued in case of damage or lost. Kay Fung reserves the right to charge the customer for new issue 
  • Please keep and present the warranty card together with offical purchase invoice to our staff for inspection during each service 
  • For repairing the physical damaged product, Kay Fung reserves the right to charge the parts and labor cost 
  • The above terms and conditions are only for electronic products. Electronic component products are not included.