1. International Standard Circuit System

2. FSK and DTMFcaller ID

3. Phone number and time check, comeing number display

4. Thunder proof/Burglar proof

5. Volume adjustment

6. CE, FCC and ISO9001 approved

7. OEM/ODM are welcomed

8. Material> > Inward Oak

9. Amazing as gifts, home ornaments, business presents, hotel accessories, etc

10. Color box package inside and carton package outside

11. Stable quality and nice timbre

12. Inward oak

13. Never change color  or crack

14. High of collecting and visual value