Optimal appearance

All curved surfaces and edge surfaces meet every function
Based on numerous trials, choose optimal reflected angles of sound and materials
Layout of buttons considering of the usability and stability of hand operation

Balanced size and weight

Optimal size and weight, only for giving you a most comfortable hand feel

Comprehensive design

The size and layout of buttons make wearing gloves possible.
The reliability and selection range of storage medium enhanced with high capacity .
Leather cover make your hand warmer and reduce frictional noises