1. 32-bit ARM7 CPU,128MB,High speed CACHE memory2. 4.3 inch full touch screen3. Self-correction system4. Energy saving model5. WIFI connection Optional6. The machine can work without PC7. Repeat function(1-500times)8. Low voice,less than 60db9. High quality pinch rollers,make sure the material smoother and smoother.10. One-button switch