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  • Orientation Type: In Ear
  • Connectivity: Bluetooth, Version 6.0
  • Battery Life: 54 Hours
  • Fast Charging: Yes
  • Noise Cancellation: Active Noise Cancellation
  • Voice Assistant: Google Gemini | Google Assistant | Apple Siri
  • USP: Hi-Res Audio, 55 db Real-Time ANC
  • Warranty: 12 Months Warranty

Specifications

  • Product Category

    • Device Type

    • Truly Wireless Earbuds

    • Suitable For

    • Entertainment | Gaming | Travel | Office Use

    • Form Factor

    • In-Ear

  • Manufacturer Details

    • Model Series

    • Nord Buds 4 Pro

    • Model Number

    • E518A

  • Product Dimensions (Open)

    • Dimensions In CM (WxDxH)

    • 2 x 1.75 x 3.10

    • Main Unit Weight

    • 8.8 g

    • Product Weight

    • 43 g

    • Dimensions In Inches (WxDxH)

    • 0.79 x 0.69 x 1.22

  • Sound

    • Frequency Response

    • 20Hz - 40kHz

    • Audio Technology

    • Hi-Res Audio

    • Additional Sound Features

    • Google Fast Pair, Microsoft Swift Pair, Basswave, 3D Spatial Audio, Game Sound Spatial Audio, Ultra Wide Frequency Range (5000 Hz), Hi Res Audio (1 Mbps Wireless Bitrate)

    • Sound Configuration

    • Dual Sound

    • Sensitivity

    • Driver Sensitivity: 122dB @1mW | Microphone Sensitivity: -38dB

    • Impedance

    • 28 Ohm

    • Noise Cancellation Type

    • Active Noise Cancellation

    • Sound Modes

    • Transparency Modes

    • Deep Bass

    • Yes

  • Physical Attributes

    • Audio Jack

    • Not Applicable

    • Device Control Type

    • On-device Controls

    • Device Controls

    • Single Tap: Play Or Pause | Double Tap: Skip To Next Song | Triple Tap: Skip To Previous Song | Long Touch & Hold: Switch Between Noise Cancellation & Transparency Modes | Volume Swipe Control

    • Driver/Diaphragm Features

    • 12 mm Titanium Coated Dynamic Drivers

    • Additional Body Features

    • Low Profile, Elevated Style, Ultra Lightweight Comfort, Fit For All Ears, 5mW Rated Power, IP55 Dust & Water Resistance, Fast & Steady Connection

  • Functions

    • Compatible Devices

    • Tablets | Laptops | Mobile Phones

    • Compatible OS

    • Windows OS | iOS | Android OS

  • Mic Specifications

    • No. of Microphones

    • 6

    • Microphone Availability

    • Yes

    • Microphone Features

    • 3 Microphones (Feedforward, Feedback, Talk) Per Earbud, Pro Level 55dB Real Time Active Noise Cancellation (Light, Moderate & Maximum), AI Clear Call Noise Cancellation

    • Microphone Placement

    • Built-in Mic

  • Network Connectivity

      • Bluetooth Supported

      • Yes

      • Bluetooth Profile

      • Bluetooth Codec: LHDC 5.0/AAC/SBC | Bluetooth Transmission Protocol: BLE/SPP/HFP/A2DP/AVRCP

        • Bluetooth Specifications

        • Bluetooth 6.0

        • Bluetooth Range Up To

        • 10 Meters

        • Maximum Pairable Devices

        • 2

        • No. of Active Connections

        • 1

      • Additional Features

        • Additional Technology Supported

        • AI Translation, AI Assistant

      • Battery Details

        • Maximum Battery Life

        • 13 Hours (AAC Mode, ANC Off, Buds Only) / 29 Hours (AAC Mode, ANC On, Buds + Case) / 7 Hours (AAC Mode, ANC On, Buds Only) / 26 Hours (LHDC Mode, ANC On, Buds + Case) / 6 Hours (LHDC Mode, ANC On, Buds Only)

        • Battery Type

        • Non-Removable

        • Battery Capacity

        • 62 mAh

        • Standard Battery Life

        • 54 Hours (AAC, ANC OFF, 50% volume)

      • Charging

        • Charging Pin Type

        • USB Type-C

        • Fast Charging Capability

        • Yes

        • Battery Charge Time

        • Earbuds: About 60 Minutes | Earbuds + Case: About 90 Minutes

        • Additional Charging Features

        • Earbuds + Case: 10 Minutes For 13 Hours

      • Charging Case

        • Charging Case Height

        • 6 cm

        • Charging Case Depth

        • 2.5 cm

        • Dimensions in CM (W x D x H)

        • 4.96 x 2.50 x 6

        • Charging Case Weight

        • 34.2 g

        • Charging Case Battery Capacity

        • 530 mAh

        • Case Color

        • Raven Black

        • Charging Case Width

        • 4.96 cm

      • Materials & Durability

        • Body Material

        • ABS Plastic

        • Resistance Type

        • Dust Resistant | Water Resistant

      • Aesthetics

        • Brand Color

        • Raven Black

        • Color

        • BLACK

      • In The Box

        • Documents

        • 1 x Warranty Card | 1 x User Manual & Safety

        • Main product

        • 1 x Earbud U

        • Accessories

        • 3 Pairs x Earbud Tips (Small, Medium & Large; M pre-installed), 1 x Charging Case, 1 x Charging Cable, 1 x Brand Sticker

        • Package Includes

        • 1 x Earbud U, 3 Pairs x Earbud Tips (Small, Medium & Large; M pre-installed), 1 x Charging Case, 1 x Charging Cable, 1 x Brand Sticker, 1 x User Manual & Safety, 1 x Warranty Card

        • Generic Name

        • Earphone/Headphone

      • Packaged Dimensions

      • After Sales & Services

        • Warranty on Main Product

        • 12 Months

        • Warranty Type

        • Carry-In

        • Standard Warranty Includes

        • Manufacturing Defects

        • Standard Warranty Excludes

        • Physical Damage

          • Installation & Demo applicable

          • No

        • Certification

          • Additional Certifications

          • TUV Rheinland Certified

        • Company Contact Information

          • Customer Support Number

          • 18005727662

          • Customer Support Email

          • customersupport@croma.com

          • Manufacturer/Importer/Marketer Name & Address

          • Manufacturer Name & Address: OPPO Mobiles India Private Limited With Its Registered Address at Plot No.1, Sector Ecotech-VII, Greater Noida, Uttar Pradesh-201306, India | Marketer Name & Address: OnePlus Technology India Private Limited (“OnePlus”) With Its Registered Address at 6th Floor, UB City 24, UB City, Vittal Mallya Rd, UB City, D' Souza Layout Ashok Nagar, Bengaluru, Bengaluru Urban, Karnataka, 560001

          • Country of Origin

          • India

          • Country of Brand Origin

          • China

        • Croma Service Promise

          • Customer Support Email

          • customersupport@croma.com

          • Registered Name and Address

          • Infiniti Retail Ltd. - Unit No. 701 & 702, 7th Floor, Kaledonia, Sahar Road, Andheri (East); Mumbai - 400069. India

          • Customer Support Number

          • 1800 572 7662

          • Customer Care Contact Person

          • Grievance Officer

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        Overview

        Refined Aesthetic & Colour Identity

        The OnePlus Nord Buds 4 Pro in Raven Black presents a refined and understated visual identity that leans into modern minimalism. The colour itself carries a soft metallic depth, subtly shifting under light without appearing glossy or overly reflective. This lends the earbuds a mature and versatile look suited to both casual and professional settings. The compact charging case mirrors this approach with smooth contours and a matte finish that resists smudges, making it both practical and aesthetically pleasing for everyday use.

         

        Acoustic Depth & Sonic Character

        The earbuds are engineered to deliver a balanced yet engaging sound profile. Low frequencies carry a controlled punch, providing energy without overpowering the mix, while mids remain clear enough to preserve vocal detail and instrumental texture. High frequencies are crisp but restrained, avoiding sharpness during extended listening. This careful tuning creates a listening experience that feels full-bodied yet composed, making the earbuds suitable for a wide range of audio content, from music streaming to spoken-word formats.

         

        Active Noise Control & Clarity

        Equipped with active noise cancellation, the earbuds effectively reduce surrounding distractions to create a more focused listening environment. Whether in busy streets or enclosed spaces, the system works consistently to soften external noise without making the audio feel artificial. This contributes to a more immersive and less fatiguing experience over time. Additionally, the integrated microphone system enhances call clarity by prioritising speech and minimising ambient interference, ensuring conversations remain intelligible even in less-than-ideal conditions.

         

        Intuitive Controls & Smart Interaction

        Interaction is designed to feel seamless and intuitive. The inclusion of swipe-based volume control allows for quick adjustments without reaching for a connected device, while touch gestures handle playback and calls efficiently. These controls are responsive yet measured, reducing accidental inputs and supporting a smoother user experience overall.

         

        Comfort, Build, & Everyday Practicality

        Lightweight construction and an ergonomic in-ear design ensure a comfortable fit for extended use. The silicone tips provide a secure seal without exerting excessive pressure, allowing the earbuds to remain stable during movement. Built with durability in mind, they are capable of handling daily exposure to dust and minor splashes, making them a reliable companion for commuting, travel, or light workouts.

         

        Battery Rhythm & Charging Convenience

        Battery performance is tuned for everyday reliability, offering enough endurance to carry users through multiple listening sessions. The charging case supports quick top-ups, so even short charging periods can deliver noticeable playback time. This ensures that the earbuds remain ready when needed, without constant charging interruptions.

         

        Balanced Performance for Daily Listening

        Overall, the Raven Black variant stands out through its thoughtful balance of design, sound, and functionality. Rather than focusing on excess, it delivers a cohesive experience that feels dependable and well-considered, making it an ideal choice for consistent, everyday listening.

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