Bqeyz Autumn is the company’s flagship IEM with a 13mm single dynamic driver and cool magnetic tuning filters. All that stuff costs $199.
BQEYZ Summer is a tribrid IEM equipped with a 13mm dynamic driver, a balanced armature, and a 5-layers piezoelectric unit. All that stuff will cost you $129.
Spring 2 is a new flagship of the Chinese company Bqeyz. It is a tri-brid earphone with 1DD, 1BA, and one piezo driver. It is priced at 169$.