1. Receive signal well.
2. Simple, comfortable, easy to carry.
3. It adequately protects devices from the normal scratches, dirt, tear and wear.
4. All buttons and ports are easy to access.
5. With good performance, it may work for a long time.
6. Full covering for good shock-absorbing.
7. RFID shielding prevents others from maliciously reading and stealing your personal information.