ड्र्यागन DVT001 वायरलेस हेडफोन प्रयोगकर्ता पुस्तिका
Dragon DVT001 Wireless Headphone Product Information Specifications Product Name: Dr. Tone Pronunciation Therapist Features: High-sensitive microphone, high-fidelity speaker, voice control chip Usage: Correct pronunciation, improve language learning results, enhance singing…