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Neck-Hook Earphone Player with Built-in Gamma Meditation Music and Waves

$49.90

GammaDuo – 40 Hz Sound Entrainment & Meditation Headset

The GammaDuo is an ultra-lightweight, behind-the-ear headset designed for deep focus, mindfulness, and relaxation through precisely tuned 40 Hz sound frequencies. Unlike ordinary background or relaxation music, GammaDuo delivers stable and accurate 40 Hz audio that supports concentration, clarity, and a balanced state of mind.

With a full-range 20 Hz–20 kHz sound response and true independent stereo channels, it creates a clear and immersive listening field across the entire spectrum.
The headset includes multiple built-in sound programs—from rhythmic pulse tones to ambient gamma-infused soundscapes—so you can enjoy authentic 40 Hz experiences anywhere, anytime, without relying on external devices or apps.

Included Audio Programs (Pre-Installed)

  • 40 Hz Pulse Entrainment – Classic: rhythmic tone pattern inspired by cognitive-audio studies

  • 40 Hz Pulse Entrainment – Gentle: softened version for calm or extended use

  • 40 Hz / 432 Hz Binaural Session: dual-frequency harmonics for deeper relaxation

  • Gamma Music Series – Mountain / Ocean / Dream: immersive 1-hour ambient tracks featuring embedded 40 Hz tones within natural and musical themes

Technical Highlights

  • Audio Quality: 44.8 kHz / 24-bit studio-grade playback

  • Frequency Range: 20 Hz – 20 kHz full-spectrum clarity

  • Playback Modes: 30-minute focused sessions and 1-hour immersive soundscapes (seamless loop)

  • Controls: intuitive Power / Mode / Volume ± buttons

  • Battery Life: up to 10 hours per charge

  • Charging: USB-C fast charging

  • Weight: 70 g ultra-light behind-ear design

  • Wireless: smartphone connectivity for optional control and future sound pack updates

For Mindful Listening & Focus

Use GammaDuo to enhance meditation, deep-work sessions, or general relaxation. It is not a medical or therapeutic device, but rather a wellness-oriented audio headset designed for those seeking clear, stable, and precisely tuned 40 Hz sound environments.