OnePlus Nord Buds 4 52dB ANC TWS Earbuds

Technical Specifications of OnePlus Nord Buds 4 52dB ANC TWS

General

• Product Name: OnePlus Nord Buds 4

• Colors: Stellar Black, Astral Teal

• App: HeyMelody (for non-OnePlus users) or native OnePlus Bluetooth panel

Audio & Sound

• Drivers: 12 mm dynamic driver with titanium coating

• Audio Codecs: AAC, SBC

• Sound Technology: OnePlus 3D Spatial Audio, OnePlus Game Sound Spatial Audio

• Frequency Response: 20 Hz – 20 kHz

• Driver Sensitivity: 122 dB @ 1kHz

• Microphone Sensitivity: -38 dBV/Pa

• Microphones: 6 microphones (3 per earbud) with AI Clear Call noise cancellation

Noise Cancellation

• Type: Real-time Active Noise Cancellation (ANC)

• ANC Depth: Up to 52 dB

• Ultra-Wide Frequency Range: 5000 Hz for noise cancellation

• Modes: ANC On, Transparency Mode, ANC Off

Connectivity

• Bluetooth Version: V6.1

• Effective Distance: 10 m (standard), up to 250 m with Smart Bluetooth technology in open areas

• Transmission Protocol: BLE/SPP/HFP/A2DP/AVRCP

• Dual-Device Connection: Yes (supports connecting two devices simultaneously)

• Fast Pairing: Google Fast Pair, Microsoft Swift Pair

Battery

• Battery Capacity: Earbud: 62 mAh; Charging Case: 530 mAh

• Charging Time: Earbuds: ~55 minutes; Earbuds + Case: ~90 minutes

• Charging Interface: USB Type-C (wired)

• Charging Cycles: Over 1000 effective cycles (TÜV Rheinland Battery Health Certified)

Playtime (AAC, 50% Volume):

Fast Charging: 10-minute charge provides up to 11 hours of playback (ANC Off)

Design & Build

• Product Dimensions: Earbud (per side): 29.56 × 19.69 × 22.63 mm; Charging Case: 59.23 × 49.00 × 26.51 mm

• Weight: Earbud (per side): 4.3 g (±0.3 g); Case: 33.9 g (±2 g); Total: 42.5 g (±2 g)