Used Android phones
Focused on high cost-performance, covering multiple models from brands such as Samsung, Google, etc., with a wide range of hardware specifications, including A, B, C, and D grades.

Used Apple phones (iPhone)
Mainstream models include iPhone 7 to iPhone 15 series, covering A, B, C, and D grades.

Used Apple computers (Mac)
Includes MacBook Air/Pro, iMac, and Mac mini.

Used Apple iPads
Includes Pro (with M chips), Air, mini, and basic models.