Second generation simple configuration (open pop-up window)

Third generation simple configuration (open pop-up window)

Fourth generation simple configuration (open pop-up window)

Five generations of simple configuration (open pop-up window)

Sixth generation simple with c port (open pop-up window)

Seven generations of simple configuration (open the pop-up window)

Second generation high configuration with full functions (default neutral packaging)

Three generations of high-end configuration with full functions (default neutral packaging)

Fourth generation high-end configuration with full functions (default neutral packaging)

Five generations of high-end configuration with full functions (default neutral packaging)

Six generations of high-end configuration with full functions (default neutral packaging)

The third generation noise reduction version is fully functional (default neutral packaging)

The fifth generation noise reduction version is fully functional (default neutral packaging)

The sixth generation noise reduction version is fully functional (default neutral packaging)

The third generation top-of-the-line noise reduction version is fully functional (default neutral packaging)

The fifth generation top-of-the-line noise reduction version is fully functional (default neutral packaging)

The sixth generation top-of-the-line noise reduction version is fully functional (default neutral packaging)

Seven generations of high-end configuration with full functions (default neutral packaging)

The seventh-generation noise reduction version is fully functional (default neutral packaging)

The seventh-generation top-of-the-line noise-canceling version is fully functional (default neutral packaging)