Xiaomi SX-991 Wireless Bluetooth Headset Neckband Foldable Headphones Retractable Earbuds Noise Cancelling Hifi Stereo Earphones

Details :

• Style: In-ear, designed to fit snugly in the ear for better sound isolation.
• Vocalism Principle: Other, indicating a unique or unspecified vocalism principle compared to traditional dynamic or balanced armature drivers.
• Active Noise-Cancellation: Yes, providing enhanced isolation from background noise for a better listening experience, especially in noisy environments.
• Materials:
  • PVC: Lightweight and durable plastic material.
  • Plastic: A common material for earphones, offering a balance of weight and strength.
  • Silica GEL: Likely used for moisture control or added durability in certain components.
• Control Button: Yes, allows for easy control of volume, playback, or call functions.
• Communication: Wireless, allowing for tangle-free use and greater mobility.
• Volume Control: Yes, letting you adjust the sound levels directly from the earphones.
• Category: Earphones & Headphones.
• Number of Drivers: 2 drivers, helping to deliver a balanced and full-range sound.
• Plug Type: None, as these are fully wireless earbuds.
• Impedance Range: Up to 32 Ω, suitable for most portable devices without requiring an amplifier.
• Headphone Pads Material: Silicone, providing comfort and a good seal for sound isolation.
• Sound Isolating: Yes, meaning they block out external noise for an immersive listening experience.
• Support Memory Card: No, this model does not have support for memory cards.
• Waterproof: Yes, making them ideal for use during exercise or in wet conditions.
• Frequency Response Range: 20 Hz to 20,000 Hz, covering the full range of human hearing.
• Magnet Type: Neodymium, offering strong magnetic fields for efficient sound reproduction.
• Voice Assistant Built-In: No, these earphones do not have a built-in voice assistant.
• Wireless Type: Bluetooth, providing wireless connectivity.
• Package List:
  • User Manual for instructions.
  • Charging Case for portability and recharging on the go.
  • Charging Cable for easy charging of the case and earphones.
• Resistance: 20 (likely a measurement of the earphone's electrical resistance).
• Sensitivity: 36, providing a clear sound output with adequate volume.
• Weight: 50g, lightweight and comfortable for extended wear.
• NFC Technology: Yes, for quick and easy pairing with compatible devices.
• Earcups Type: Semi-open, which offers a balance between external awareness and sound isolation.
• Bluetooth Version: 5.3, ensuring improved connectivity, speed, and energy efficiency.
• Charging Method: Cable, requiring a wired connection for charging the case or earphones.