OPPO Enco Free 4 True Wireless Earbuds vs OnePlus Buds 4
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General
| Brand | OPPO | OnePlus |
| Model | Enco Free 4 | Buds 4 |
| Country of Origin | China | China |
| Design | TWS Earbuds | TWS Earbuds |
| Type | In the Ear | In the Ear |
| Connectivity | Wireless | Wireless |
Design and Body
| Dimensions | 52.4 x 65.4 x 25.3 mm | |
| Weight | 4.7 g Per Earbud | 49.02 g (With Case), 4.73 g Per Earbud |
Features
| Bluetooth | Yes, 5.4 | Yes, 5.4 |
| Bluetooth Range | 400 m | 10 m |
| USB | Yes | Yes |
| Microphone | Yes, Three Microphones on Each Earbud—Feedforward, Feedback, and Call Mic | Yes, 3 Mics Per Side |
| Voice Assistant | Yes | |
| Water Resistant | Yes | Yes |
| Monaural | Yes | |
| Controls | Touch Control | Touch |
| Music Controls | Volume +/-, Play/Pause, Previous/Next Track | |
| Call Controls | Answer/Hang Up/Reject calls | |
| Switch between Call and Music | Yes | |
| Additional Features | IP55 Rated, 5500Hz Frequency Range, Earbuds Detect Noise 800 Times per Second, Which Helps Reduce Human Voice Interference by 200%, the ANC Is TÜV Rheinland Certified, Earbuds Adjust ANC or Transparency Modes Automatically Depending on Your Surroundings, The Star Ceramic Silver Version Includes Sound Tuning by Dynaudio, Supports Hi-Res Wireless Audio Through LHDC 5.0 (192kHz, 1Mbps), Use Dual DACs, and Offer Spatial Audio With Ear Canal-Based Tuning, Smart Features Include Real-Time Translation, AI Translation, Call Summaries (Triple-Tap to Activate), and Face-to-Face Interpretation, Earbuds Can Also Switch Audio Automatically Between Oppo Devices, Like Phones and Tablets | IP55 Dust and Water Resistance, 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 the HeyMelody App, OTA Updates, Dual-Device Connection, Google Fast Pair, Transparency Mode |
Sound Features
| Deep Bass | Yes | |
| Impedance | 18 ohm | |
| Sensitivity | 118±1.3dB @1mW | |
| Frequency Response | 15 Hz (Min) - 40 kHz (Max) | |
| Driver Unit | 11 mm | |
| Driver Type | 11mm Bass Driver and 6mm Planar Tweeter | 11mm Woofer Plus 6mm Tweeter |
| Noise Reduction | TUV High Performance Noise Cancellation, 800 Times Per Second Real-Time Adjustment, 200% Voice Cancelling Improvement When Compared with OnePlus Buds 3, Up to 5,500 Hz Noise Cancellation Range, 3-mic AI Call Noise Cancellation | |
| Active Noise Cancellation | Yes, 55dB ANC | Yes, Up to 55dB Real-Time Adaptive ANC |
| Other Features | Oneplus 3D Spatial Audio, Golden Sound, Sound Master EQ |
Extra
| Sales Package | Earbuds | OnePlus Buds 4 x 1 Pair, OnePlus Buds 4 Charging Case x 1, Type-C Charging Cable x 1, Ear Tips (S, M, L Pairs; M Pre-installed), User Manual And Safety and Warranty x 1 |
| Other Controls | A Companion App Supports Battery Status, ANC Controls, Spatial Audio, Game Mode, Dual-Device Pairing, Theme Settings, and Find-My-Earbud Features | |
| Other | Earbuds Dimension (31 x 20.6 x 24.2) mm, -38±1dB Microphone Sensitivity, 101dB Sound Pressure, 10mW Rated Power, LHDC 5.0 / AAC / SBC Bluetooth Codec, HFP/A2DP/AVRCP Bluetooth Transmission Protocol |
Power Features
| Battery Capacity | 530 mAh (Case), 62 mAh Per Earbud | 530 mAh (Case), 62 mAh Per Earbud |
| Battery | AAC Codec: ANC Off: 11 Hours (Buds), 45 Hours (With Case) ANC On: 6 Hours (Buds), 24 Hours (With Case) LHDC Codec: ANC Off: 9 Hours (Buds), 37 Hours (With Case) ANC On: 5.5 Hours (Buds), 22 Hours (With Case) | 10 Mins Charge = 11 Hours of Playtime |
| Wireless Charging | No | |
| Battery Life | 45 hours with Case (ANC Off) 11 hours (Earbuds with ANC Off) 24 hours with Case (ANC On) 6 hours (Earbuds with ANC On) | |
| Charging Time | 1.33 hours (Case), 50 min (Earbuds) | 1.33 hours (Case), 50 min (Earbuds) |
Warranty
| Warranty | 1 year, Manufacturer Warranty | |
| Warranty Type | Manufacturer | |
| Covered in Warranty | Manufacturing Defect | |
| Not Covered in Warranty | Physical Damage |
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