1. Big size: diameter 3.0 x H1.5cm, Retractable length 58cm.

2. Small size: diameter 3.6 x H1.6cm, Retractable length 88cm.

3. The cost lowest than wireless and reduce the usage of radiated products, and to avoid harm of electromagnetic wave.

4. It could solve the trouble of clean cable of wired products, it is quickly clean and collect, and convenient to carry with you.

5. “Unilateral Retractable Construction”, it have got formal patent license at this unilateral retractable device, selling in USA, Europe and Japan now.

6. These connecter could be changed for your demand.

7. The unilateral retractable cable could apply to your products, to increase your function and added value and diverseness between others, it is fit in with diversification and distinction of your promoting.

8. The hot design of unilateral retractable cable is super thin, please see photo.