Appearance: It is very appropriate, long and narrow, convenient to handle, just right to put the pocket, and the color of the shell is also very impressive Screen sound effect: the shielding is very clear, the font is also very clear, the sound effect is also good, listening to music is very enjoyable Photo effect: the photo is very clear and dynamic, which is perfect Running speed: the running speed is also very fast, and it feels like flying Standby time: The standby time is slightly unsatisfactory. Maybe there are a lot of software downloads