The latest iPhones attempt to be smuggled into China are tied to the suspect's ankles. [Photo: Guangzhou Daily]

Shenzhen customs seized more than 400 smuggled iPhone 7 and 7 Plus on Friday, the day the new batch of Apple products sold.

The smuggled products are estimated to be worth over 3 million yuan (450,000 USD), said the customs.

Between 18:30 to 19:00 on Friday, officers caught seven smugglers with a total 190 iPhone 7 and 7 Plus between them. They tied the products around their waists and ankles, most of them already have smuggling offences.

Suspects told customs they only earn 200-300 yuan for taking 20-30 products into China.

The iPhones will be auctioned to the public, according to Shenzhen customs. Individuals can find the information for the auction at the Shenzhen customs website and the local newspapers to apply for the auction.