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**Product Specifications:**

**Brand:** 1MORE

**Hi-Res Double Gold Certification:** Appreciate lossless sound quality with every track, even in deep noise-cancelling mode, while enjoying HiFi audio. The headphones feature LDAC lossless Bluetooth transmission technology, capable of transmitting data at approximately 3 times (or more) the amount of data compared to SBC encoding (transmission speed up to 990kbps), delivering astonishingly rich details for a wired-like high-resolution audio experience.

**Wired Connection Mode:** Lossless transmission effortlessly handles "ultra-high bitstream sources" with 3x the audio quality of LDAC. Hi-Res certification is a high-quality audio standard established by the Japan Audio Association (JAS) and the Consumer Electronics Association (CEA), ensuring high-frequency extension and precise detail reproduction.

**Hi-Res Audio Wireless Gold Certification:** Equipped with LDAC technology, providing high-resolution immersive audio even in wireless mode. LDAC transmission offers bitrates of 328kbps to 990kbps. The diamond-like diaphragm provides exceptional hardness and balance for precise detail reproduction and silky smooth sound transitions.

**HQ51 Diaphragm Performance Enhancement:** HQ51 offers a significant improvement in performance compared to HQ50, with data sourced from 1MORE Acoustic Lab. Patent Number: ZL201780000100.6.

**Tuned by Grammy Award-Winning Sound Engineer Luca Bignardi:** Luca Bignardi meticulously tunes the headphones for a noise-canceling listening experience that compensates for lost frequency response due to noise cancellation, ensuring a full-range, low-distortion, and naturally balanced sound signature.

**QuietMaxâ„¢ Dual Feedforward Noise-Canceling:** Noise-canceling performance is enhanced by 12%, providing a more immersive listening experience with over 42dB of external noise reduction. The combination of powerful chips, custom acoustic design, and advanced intelligent algorithms creates the QuietMaxâ„¢ dual feedforward noise-canceling technology.

**Adaptive AI Call Noise Reduction:** The high-performance microphone with AI intelligent algorithms adapts to eliminate most environmental noise, ensuring clear communication even in noisy environments.

**Cloud-Like Comfort and Breathability:** The headphones feature skin-friendly protein leather ear cushions that are soft, breathable, and comfortable for extended listening sessions.

**12 Professional Sound Effects:** Customized sound effects derived from studio calibration technology offer 12 presets for a personalized audio experience, ensuring the faithful reproduction of music details and tonal styles.

**Basic Operations:** Includes functions such as power on/off, play/pause, volume control, track navigation, call management, and voice assistant activation.

**Specifications:**

- Weight: 246g

- Communication Distance: 10m (in open environments)

- Dimensions: 170×192×82mm

- Bluetooth Specification: Bluetooth 5.4

- Battery Capacity: 720mAh

- Bluetooth Protocols: HFP/A2DP/AVRCP

- Charging Time: 80 minutes

- Input: 5V-1.1A

- Playback Time (Noise Cancelling Off): 100 hours

- Maximum Power: 20mW

- Playback Time (Noise Cancelling On): 65 hours

- Operating Temperature: 0°C to 45°C

- Speaker Impedance: 32Ω

- Frequency Band: 2.400GHz to 2.4835GHz

*Playback time is based on AAC format at 50% volume under laboratory conditions. Actual performance may vary based on device settings, environment, usage, and other factors.*