Why this external CD DVD drive?

WORKING both with USB and USB-C
FAST SPEED DRIVE -- Read speed is up to 24X and write speed is up to 8x.
ULTRA-THIN PORTABLE DVD DRIVE -- Drive Dimensions: 7.1 x 6.4 x 0.7 in, weight 11.94 ounces.
PLUG AND PLAY -- Slot-in style is more convenient to read or burn CDs/DVDs.

Read Speed(Max) :
CD: 24X (3.6MB/sec)
DVD: 8X (10.8MB/sec);

Writing Speed (Max.)
CD: 8X
DVD: 6X

What's Included:
1 x USB external drive
1 x User Manual
1 x USB type C female to USB 3.0 adapter

Notes:
1.This is an external DVD CD drive, not a blue ray burner drive, so it can't play blue ray disc.
2.This external USB C DVD drive is a Slot-in drive, not a pallet drive, no eject button, just slot-loading.
3 Date transfer speed is also affected by computer and system environment.
4 If you connect with your desktop computers, plug the player into motherboard USB socket behind computer, not USB port front of your computer.