OnePlus Nord Buds 4 BT 5.4, ANC, IP55, TWS, Zen Green EU

Features

• Dual Driver System: 11 mm bass + 6 mm treble drivers with dedicated DAC chips.
• Adaptive ANC: Active noise cancellation up to 55 dB.
• Hi-Res Audio Support: LHDC 5.0 for 192 kHz playback frequency.
• Personalized Audio: OnePlus 3D Audio and Golden Sound profile.
• Battery Life: Up to 45 hours with the charging case.
• Fast Charging: 10 minutes for 11 hours of listening time.
• Clear Calls: Three-microphone system with AI for noise reduction.
• Low Latency: 47 ms for gaming.
• Durability: IP55 protection rating.
• Bluetooth 5.4: Multipoint connection for seamless device switching.

Technical Specifications

• Driver: 11 mm + 6 mm, dynamic.
• Sensitivity: 118±1.3 dB @1mW.
• Frequency Response: 15 Hz – 40 kHz.
• Microphone: Built-in, sensitivity -38 dB ± 1 dB.
• Battery:
  • Earbuds: 62 mAh each.
  • Charging Case: 530 mAh.
  • Battery Life: 11 hours (earbuds) / 45 hours (earbuds + case) at 50% volume.
  • Charging Time: 50 min (earbuds), 80 min (earbuds + case).
• Bluetooth: Version 5.4, codecs: LHDC 5.0/AAC/SBC.
• IP Rating: IP55.
• Charging Port: USB-C.
• Weight:
  • Earbuds: 4.75 g each.
  • Case: 39.57 g.
• Dimensions:
  • Earbuds: 31 mm x 20.6 mm x 24.2 mm each.
  • Case: 65.4 mm x 52.4 mm x 25.3 mm.