True Wireless Buds 4

SIZE

• Dimensions:
• Earbuds: 31*20.6*24.2mm
• Charging case: 65.4*52.4*25.3mm
• Weight:
• Earbuds: 4.73 ± 0.2 g
• Charging case: 39.57 ± 1 g

AUDIO

• Drivers: 11mm woofer + 6mm tweeter
• Frequency Response: 15Hz~40KHz
• Driver Sensitivity: 118±1.3dB @1mW
• Microphone Sensitivity: -38±1dB
• Microphones: 3 mics per side
• Impedance:
• 18Ω ± 15%
• 10Ω ± 15%
• Sound Pressure: 96.5dB
• Rated Power: 10mW

NOISE CANCELLATION

• Noise Cancellation Type: Real-Time Adaptive Active Noise Cancellation
• Noise Reduction Depth: Up to 55dB
• Noise Reduction Frequency Range: Up to 5,500Hz
• Noise Control Modes: ANC on / Adaptive Mode / Transparency Mode / ANC off
• 3-mic AI Call Noise Cancellation

CONNECTIVITY

• Bluetooth Codec: LHDC 5.0 / AAC / SBC
• Bluetooth Version: Bluetooth 5.4 with Steady Connect
• Bluetooth Effective Distance: 10m
• Bluetooth Transmission Protocol: HFP/A2DP/AVRCP
• Connectivity:
• Google Fast Pair
• Dual-Device Connection

BATTERY

• Battery Capacity:
• Earbuds: 62 mAh
• Charging Case: 530 mAh
• Playback (ANC Off, 50% volume, AAC)
• Earbuds: 11 hours
• Earbuds + Case: 45 hours
• Playback (ANC On, 50% volume, AAC)
• Earbuds: 6 hours
• Earbuds + Case: 24 hours
• Playback (ANC Off, 50% volume, LHDC)
• Earbuds: 9 hours
• Earbuds + Case: 37 hours
• Playback (ANC On, 50% volume, LHDC)
• Earbuds: 5.5 hours
• Earbuds + Case: 22 hours
• Talk Time (ANC Off, 50% volume, HFP)
• Earbuds: 6 hours
• Earbuds + Case: 24 hours
• Talk Time (ANC On, 50% volume, HFP)
• Earbuds: 4 hours
• Earbuds + Case: 17 hours

CHARGING

• Fast Charging (ANC Off, 50% volume, AAC)
• Earbuds: 10 minutes charge for 3.5 hours playback
• Earbuds + Case: 10 minutes charge for 11 hours playback
• Charging Time:
• Earbuds: about 50 minutes
• Earbuds + Case: about 80 minutes
• Charging Interface: Wired: USB Type-C

SPECIAL FEATURES

• OnePlus 3D Audio
• Sound Master EQ
• Golden Sound
• 47ms Low Latency
• AI Translation
• Voice Assistant Shortcut
• Find My Earbuds
• Double-Tap for Camera Control
• Compatibility with HeyMelody App
• OTA Updates
• IP55 Dust and Water Resistance

Brand: OnePlus
Model: Buds 4
Warranty Type: Local Supplier Warranty
Warranty Period: 12 Months

1x True Wireless Buds 4

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