| Immersive Hi-Fi Audio with Dynamic EQ Powered by 11mm dual-magnetic drivers (PU+LCP diaphragm) and dual neodymium magnets, HD-100 delivers crisp highs, detailed mids, and deep bass. The TRUEFREE App’s Dynamic EQ intelligently restores high-frequency details for studio-grade clarity across all music genres. |
| 360° Spatial Sound + Gaming Mode Experience a wide, cinematic soundstage for music and movies. Switch to Gaming Mode to unlock ultra-low 70ms latency for instantaneous audio response and smoother competitive gameplay. |
| All-Day Comfort, Personalized Fit Engineered with a soft, ergonomic neckband, three sizes of silicone tips, three types of stabilizing fins, and adjustable neckband beads—ensuring a secure, customized fit whether you're running, training, or commuting. |
| 20-Hour Battery Life with Super Fast Charging Stay powered through long workouts and full-day travel with up to 20 hours of playback. A quick 10-minute charge delivers up to 5 hours of listening—perfect for last-minute workouts or busy mornings. |
| IP67 Waterproof & Dustproof Ready for rain, sweat, mud, and outdoor training. The IP67 rating keeps your music going through intense workouts, trail runs, and unpredictable weather. |
| Crystal-Clear Calls with AI Noise Cancellation The built-in high-sensitivity mic pairs with AI noise reduction to deliver clearer, more natural calls—even on windy streets or in noisy gyms. Easily control music and calls with the intuitive 3-button inline remote. |
| Tangle-Free Magnetic Design + Smart App Features Snap-together magnetic earbuds prevent tangling in your bag. Connected to the TRUEFREE App, you get dual-device pairing, customizable EQ, Find-My-Earbuds, and complete control of your audio experience. |
