Reasons to buy this item:
1. Good sound quality.
2. Superb quality-price ratio.
3. A good microphone.
4. Comfortable to wear.
5. Multi-functional buttons (play/stop, volume control).
6. Reliable resin cord.
7. High overall volume.

Reasons not to buy this item:
1. Bass could be better.
2. Smell badly.
3. May not work properly.
The pros and cons were extracted from the reviews by: nikitan
Brand: PTM
Model: D31
Price: 2.99 USD
Rating: 4.70 / 5 (94%)
Nr. of reviews analyzed: 474
Style: Ear Hook
Vocalism principle: Dynamic
Sensitivity: 108.00dB
Impedance: 32.00Ω
Frequency response range: 20-20000Hz
Wireless type: None
Line length: 120.00cm
Connectors: 3.5mm
Features: microphone
Crawl date: 2019-08-21