Online quotations are generally much higher than the market price. As for whether there are few accessories, you can call the manufacturer. Products must be invoiced when they leave the factory, but sellers may not invoice when they sell products, because the fare is different from the price without invoicing.

Buying at a designated agent is basically reliable.

The counters designated by brand agents are still relatively reliable.

Zhongguancun's professional IT network generally sells licensed products, but it does not rule out the possibility of parallel imports.

Suggestion: Before buying a product, you must learn how to distinguish the authenticity of the product, including the location of the manufacturer, brand, trademark, agent, anti-counterfeiting mark and the use of anti-counterfeiting code.