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I'm interested in getting more detailed information regarding the pricing for your Desktop Series models. It would be great to understand how the pricing varies between different models, as well as any available bulk purchase discounts or promotional offers. Additionally, I'd like to know what features or specifications are unique to each model, as that will help in determining which options best meet our needs. Could you also clarify if the Desktop Series comes with power banks included in the package, or if they're sold separately? Understanding the complete offering will help us make a more informed decision. If you have any brochures, datasheets, or digital resources that provide this information, please share them as well. Looking forward to your prompt response!