OnePlus Aura Blue Nord Buds 3R Earbuds Specifications

Design & Build

• Earbuds Dimensions: 31.1 × 20.3 × 23.3 mm
• Charging Case Dimensions: 60.2 × 47.5 × 24 mm
• Weight:
• Earbuds: 4.5g ± 0.2g (each)
• Charging Case: 38.6g ± 2g
• Total: 47.6g ± 2g

Audio Performance

• Driver: 12.4mm Dynamic Drivers
• Diaphragm: Titanized vibrating diaphragm
• Frequency Response: 20 Hz – 20 kHz
• Driver Sensitivity: 112 ± 3 dB @ 1mW
• Microphone Sensitivity: -38 ± 1 dB
• Microphones: 2 per earbud
• Impedance: 32Ω
• Sound Pressure Level: 97 dB
• Rated Power: 10mW

Battery & Charging

• Battery Capacity:
• Earbuds: 58 mAh
• Charging Case: 560 mAh
• Playback Time (50% volume, AAC):
• Earbuds: Up to 12 hours
• Total with Case: Up to 54 hours
• Talk Time (50% volume):
• Earbuds: Up to 7 hours
• Total with Case: Up to 30 hours
• Fast Charging:
• 10 mins → 4 hours (earbuds)
• 10 mins → 8 hours (with case)
• Charging Time:
• Earbuds: ~60 minutes
• Full (Earbuds + Case): ~120 minutes
• Charging Port: USB Type-C

Connectivity

• Bluetooth Version: 5.4
• Codecs Supported: AAC / SBC
• Range: Up to 10 meters
• Protocols: BLE, SPP, HFP, A2DP, AVRCP
• Google Fast Pair: Yes
• Dual Device Connection: Yes

Special Features

• 2-Mic AI Call Noise Cancellation
• OnePlus 3D Audio
• Sound Master EQ
• 47ms Ultra-Low Latency (Gaming Mode)
• AI Translation
• Voice Assistant Shortcut
• Find My Earbuds
• Double-Tap Camera Control
• HeyMelody App Support
• IP55 Dust & Water Resistance

 In the Box

• OnePlus Nord Buds 3r (Earbuds) × 1
• Charging Case × 1
• Ear Tips (S, M, L – M pre-installed)
• User Manual & Warranty Card