Unilateral retractable MP3 stereo earphones:

1. Size: L6 x W4.3 x H0.9cm, flat fashion.

2. Retractable length 88cm.

3. It adapt hi-stereo speaker, to enjoy authentic music, don't tired your ears for long time.

4. To use silica gel earpiece, let your ears comfortable when listen.

5. Multi-function shell design:

(1) Could to tie necklace to hang upon neck or hands.

(2) Could to tie elastic to combine the MP3 player together.

(3) Equip a clip to grip on pocket, bag and belt.

(4) Could print the logo and mark on it.

6. The cost lowest than wireless and reduce the usage of radiated product.

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

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

9. The unilateral retractable device applied to your products, to increase your function and added value, it is fit in with diversification and distinction at your promoting.