**Product Specifications:**
**Brand:** Tangmai
**Model:** H7 Hi-Res Ultra
**Certifications:** Hi-Res, JAS&CEA Jointly Developed High Resolution Audio, 2024 Wireless Radio Transmission Equipment Model Approval Certificate
**Features:** Officially certified, AUDIO, Super New Product, Exterior Design Patent Certificate
**Noise Cancellation:**
- Full scene noise cancellation with a wider range
- Targeted optimization for harmful noises such as loud noises, construction sounds, traffic noise, keyboard sounds
- Noise reduction levels: 20dB for white noise, 30dB for low-frequency noise, 35dB for mid-frequency noise, 48dB for high-frequency noise
**Sound Quality:**
- 360° surround sound technology
- Customized sound effects for immersive music experience
- 3D One-Fit patented technology for personalized fit
**Comfort and Design:**
- TONEMAC zero-pressure design for enhanced comfort
- Inner circulation breathable cotton for extended wear without discomfort
- Lightweight and ergonomic design for all-day use
**Craftsmanship:**
- Precision engineering with high-quality materials
- Superior build quality compared to competitors
**Communication:**
- Dual AI precise microphone for clear calls and noise reduction
- Acoustic custom version with Bluetooth 5.4 for stable connectivity and low latency
**Connectivity:**
- Bluetooth 5.4 with 15m transmission distance
- Dual connection support for wired and wireless use
**Controls:**
- Multi-functional buttons for easy operation
- ANC key for noise cancellation mode switching
**Product Parameters:**
- Product Name: H7 Hi-Res Ultra TONEMAC Bluetooth Headphones
- Bluetooth Version: V5.4
- Effective Range: 15 meters
- Audio Decoding: SBC/AAC
- Frequency Range: 20Hz-20KHz
- Charging Time: Approximately 1.5 hours
- Total Battery Life: Approximately 130 hours
*Note: Specifications may vary slightly based on individual usage. Actual performance may vary. All rights reserved by Tangmai Laboratory.*
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