Dear Herson, We sincerely apologize for the unpleasant experience you encountered with the equipment. After checking your order details, we noticed the model you purchased is Z91, which is designed for low cost solution of handheld android pos printer, with a rated working speed matching its specifications. We understand you may have mistakenly chosen a model that doesn’t meet your expected performance needs. If you need a higher-speed model, please feel free to contact our customer service team. We are willing to provide a solution such as a discount on your next purchase to make up for the inconvenience. Thank you for your feedback—it helps us improve our service and guide customers to choose the right products better.