Hi, @kimsungmin, Great Hunt
Below is my opinion about your product.

Pros:

• It automatically learns about your taste in music and play music that suit your mood.
• It also give helpful tips to improve your mood.
• Users can sync multiple Moodboxes around the house to form a multi room setup.
• Wi-Fi and Bluetooth enabled and available in two different styles.
• Multi-Lingual.

Cons:

• No cons found for this hunt, Overall advance technology which really help the end users.