Durable scanning head
100,00 times of stretch out and draw back test rebound sensitive
The original AAC specifications of the same iPhone model plus a special BOX cavity design,microphone array noise reduction technology, the external sound effect is more fidelity and clearer;
HD large screen
The high-definition high-resolutionretina screen does not hurt your eyes for long time using. Multi-touch visual operation,real-time full display, Chinese and English synchronization,no need to turn pages.Con-cise Ul interface design, more user-friendly interaction and stronger user experience;
Easily connect headphones, quiet learning Bluetooth 4.0 can connect to Bluetooth headsets and speakers.