Features: 1. It adopts a lightweight in-ear design and comes with earplugs of different sizes to ensure a tight fit, comfortable wearing and reduced howling. 2. The left ear is blue and the right ear is red, making it easy to tell which ear it applies to. With obvious on/off button for easy operation. 3. Hidden design, looks like a Bluetooth headset, so you won't feel uncomfortable. 4. Equipped with a 300mAh large-capacity charging box, it can be fully charged in about 30 minutes and can be used for about 6 hours. The charging box can provide 5 charges when fully charged. 5. Built-in intelligent digital chip, intelligent noise reduction, no fear of noisy environment, providing excellent sound quality. .
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