English 
Suomi 
OnePlus Nord Buds 4 Black
Key Specs
| Product Type | True Wireless In-Ear Earbuds |
|---|---|
| Wearing Style | Dual Ear True Wireless |
| Earpiece Design | In-Ear |
| Active Noise Cancellation | Yes, up to 52 dB |
| ANC Frequency Range | Up to 5,000 Hz |
| Built-In Microphone | Yes |
| Number of Microphones | 6, 3 per Earbud |
| Controls | Touch Control |
| Water/Dust Resistance | IP55 |
Audio
| Driver Type | Dynamic |
|---|---|
| Driver Size | 12 mm |
| Driver Material | Titanium-Coated |
| Frequency Response | 20 Hz to 20 kHz |
| Impedance | 28 Ohms |
| Driver Sensitivity | 122 dB at 1 kHz |
| Rated Power | 5 mW |
| Audio Codecs | AAC, SBC |
| Spatial Audio | OnePlus 3D Spatial Audio |
| Gaming Audio | Game Sound Spatial Audio |
Microphone
| Microphone Type | Built-In |
|---|---|
| Number of Microphones | 6, 3 per Earbud |
| AI Call Noise Cancellation | Yes |
| Microphone Sensitivity | -38 dBV/Pa |
Connectivity
| Wireless | Bluetooth |
|---|---|
| Bluetooth Version | Bluetooth 6.1 |
| Bluetooth Range | Up to 10 m |
| Bluetooth Profiles | BLE, SPP, HFP, A2DP, AVRCP |
| Google Fast Pair | Yes |
| Microsoft Swift Pair | Yes |
| Dual-Device Connection | Yes |
| Charging Connector | USB Type-C |
Battery
| Earbud Battery Capacity | 62 mAh Each |
|---|---|
| Charging Case Capacity | 530 mAh |
| Playback, ANC Off | Up to 13 Hours Earbuds / 54 Hours with Case |
| Playback, ANC On | Up to 6.5 Hours Earbuds / 27 Hours with Case |
| Fast Charging | 10 Minutes for Up to 11 Hours Playback |
| Charging Interface | USB Type-C |
Features
| AI Translation | Yes |
|---|---|
| AI Assistant | Yes |
| Gaming Mode | Yes, 47 ms Low Latency |
| Sound Master EQ | Yes |
| Touch Controls | Yes |
| Companion App | HeyMelody |
Physical
| Color | Stellar Black |
|---|---|
| Earbud Dimensions | 29.56 x 19.69 x 22.63 mm |
| Charging Case Dimensions | 59.23 x 49 x 26.51 mm |
| Earbud Weight | 4.3 g Each |
| Charging Case Weight | 33.9 g |
Packaging Info
| Package Weight | 59.23 x 49 x 26.51 mm |
|---|---|
| Box Dimensions (LxWxH) | 0.0425 kg |
Identifiers
| MPN | E522A |
|---|---|
| GTIN / EAN / UPC | 6921815631699 |
