Sigma Earphones S21

Premium Metal Casing In-ear Earphones with Mic – S21

Listen to the Sound of Nature

• The innovative composite-double-diaphragm technology makes the treble clearer, the bass deeper, and the wider sound field brings a new immersive music experience.
• Comfortable Listening, Instant Enjoyment.
• High-Strength metal technology, very textured.
• Noise Isolation makes crystal clear stereo sound.
• High fidelity music.
• Natural soft voice.
• Durable wire.
• Indulge in your music.
• Good Sound for music and calls.
• Fashionable look and bright color, show your own personality.
• Acoustic airflow cavity design and shocking mega bass effect, perfect music enjoyment
• Built-in mic for hands-free phone calls.
• Support volume up/down, play/pause, previous/next track, answer/hang up phone calls operation.
• High fidelity music, present clear medium tone, high pitch and deep bass, distinct levels, retain more music details.
• Lightweight and portable, lets music accompany you all the time
• Unique in-ear style, comfortable to wear