Size & Weight Earbuds Dimensions: 31 x 20 x 17.52 mm Charging Case Dimensions: 60.00 x 49.64 x 25.04 mm Earbuds Weight: 4.4 ± 0.2 g (each) Charging Case Weight: 34.2 ± 1 g Total Weight: 43.0 ± 1 g Audio 12 mm Dynamic Drivers Frequency Response: 20Hz – 40kHz Driver Sensitivity: 122dB @1mW Microphone Sensitivity: -38dB 6 Microphones (3 per earbud) Impedance: 28Ω Rated Power: 5mW Battery & Charging Earbuds Battery: 62mAh Charging Case Battery: 530mAh Playback (AAC, ANC Off, 50% Volume): Earbuds: Up to 13 hours Earbuds + Case: Up to 54 hours Charging Time: Earbuds: About 60 minutes Earbuds + Case: About 90 minutes Charging Port: USB Type-C Connectivity Bluetooth 6.0 Bluetooth Codecs: LHDC 5.0, AAC, SBC Bluetooth Range: Up to 10m Bluetooth Protocols: BLE, SPP, HFP, A2DP, AVRCP Google Fast Pair Microsoft Swift Pair Dual-Device Connection Features Pro-Level Real-Time Active Noise Cancellation (ANC) 6-Mic AI Clear Call Noise Cancellation BassWave Audio Enhancement OnePlus 3D Spatial Audio OnePlus Game Sound Spatial Audio Easy Smart Controls Volume Swipe Control Touch Controls AI Translation AI Assistant Support IP55 Dust & Water Resistance What's in the Box OnePlus Nord Buds 4 Pro (1 Pair) Charging Case Ear Tips (S, M, L; M pre-installed) USB-C Charging Cable User Manual, Safety & Warranty Guide OnePlus Brand Sticker
