| Synertek S-500 | |
|  | Display: LCD Dimensions: 78 x 40 x 20 mm, vol. 62 cm³ Battery capacity: Li-Ion | 
|  Synertek S-500  Secret codes for Synertek S-500 | |
| Synertek S500e | |
|  | Resolution: 128x128 px Dimensions: 80x44x22x78 mm Battery capacity: 850 mAh | 
|  Synertek S500e  Secret codes for Synertek S500e | |
| Synertek S200 | |
|  | Screen Size: the number of rows - 6 Dimensions: 44x140x21 mm Battery capacity: 1000 mAh | 
|  Synertek S200  Secret codes for Synertek S200 | |