OnePlus Buds 4 combine powerful active noise cancellation (ANC) up to 49 dB, dynamic 12.4 mm drivers and HeyMelody app for full audio customization. With an ergonomic finish, Bluetooth 5.4 and up to 36 hours of battery life, they appeal to every discerning user.
2. General Information
- Product: OnePlus Buds 4 Grey
- MPN (Part Number): 5481100037
- EAN/UPC: 6921815628682
- Color: Storm Grey
- Manufacturer: OnePlus (BBK Electronics subsidiary)
3. Packaging for the Greek market
- Includes
- Earbuds (L+R)
- Charging case (520 mAh)
- USB-C to USB-C cable (30 cm)
- Silicone Ear-tips (S/M/L)
- Quick Start Guide & Safety Manual
- Not included
- Wall charger
- Reason
- Directive (EU) 2019/2022 removes the charger to reduce e-waste.
4. Technical Specifications
4.1 Sound & Noise Cancellation
- Dynamic driver: 12.4 mm
- Active Noise Cancellation (ANC): up to 49 dB
- Transparency (Ambient) mode
- Customizable EQ via HeyMelody App
4.2 Connectivity & Control
- Bluetooth 5.4 with SBC, AAC, LHDC
- Google Fast Pair & Microsoft Swift Pair
- Multipoint for two simultaneous devices
- Touch controls: playback, volume, ANC, calls
4.3 Battery & Charging
- Earbuds (58 mAh): up to 10 hours of playback (ANC off) | 8 hours (ANC on)
- Case (520 mAh): up to 36 hours (ANC off) | 30 hours (ANC on)
- Fast charging: 10′ → 2.5 hours of playback
- USB-C PD input (5 V/1.5 A)
4.4 Strength & Materials
- IP54: dust & water splashes
- Earbud shell: ABS plastic
- Ear-tips: medical-grade silicone
- Case: PC/ABS with matte finish
4.5 Dimensions & Weight
- Earbud: 5.96×5.22×2.44 cm, 5 g each
- Case: 6.0×5.5×2.5 cm, 44 g
4.6 SAR, NFC, SIM & Networks
- SAR: non-applicable (wearable)
- NFC: not supported
- SIM/Networks: not available
5. Charger & Energy Consumption
- Recommended charger: 18 W USB-C PD for faster charging
- Standby consumption 10 W charger: ~0.054 kWh/month
- Instructions: Charge at 0-35 °C, avoid overheating or freezing.
6. Instructions for Use
- Choose the right size ear-tip for a secure fit.
- Insert the earbuds by rotating them slightly in the ears.
- Tap touch-area for calls and playback.
- Swipe up/down for tension.
- Long press to toggle ANC/Transparency.
- Insert gradually into the case for automated charging.
7. Warranty, DOA & Returns
7.1 Consumers
- 24 months under EC 2/2013
- 14 days of withdrawal without justification
7.2 Professionals
- 12 months factory warranty
- DOA within 7 days: contact, RMA number, return in original package
7.3 Return procedure
- DOA/warranty notification → RMA issue → shipment → repair/replacement.
8. Customer Reviews
8.1 8 Positive
- "Ideal ANC, you don't hear the world around you!"
- "Dynamic bass and clean midrange."
- "Comfortable fit, they don't come off when moving."
- "Great autonomy, I don't worry about charging all day."
- "Fast Bluetooth pairing, no hang-ups."
- "Custom EQ saves in every musical genre."
- "Clear call sound, dual-mic ENC."
- "Premium feel in grip and touch."
8.2 2 Serious Negative
- "They do not support Qi wireless charging."
- "Price higher than the Buds Z2."
9. Reviews from Foreign Sites
International review sites such as TechRadar and The Verge reward the Buds 4 for sound quality, effective ANC and all-day wear comfort, with ratings of over 4/5.
10. Pros vs OnePlus Buds Z2 (2023)
- ANC 49 dB vs passive noise reduction
- Larger guide 12,4 mm vs 10,5 mm
- Bluetooth 5.4 vs 5.2
- Fast charging vs simple charging
- HeyMelody app for EQ vs basic settings
11. Manufacturer Company Profile
OnePlus, founded in 2013, brought the youthful OxygenOS and by 2020 entered the audio market with Buds. Each generation evolves audio and ANC, cementing a reputation for value-for-money premium products.
12. Conclusion: Why Buy Them Now & Common Goal
With top ANC, dynamic sound and ergonomics, the OnePlus Buds 4 are aimed at music lovers, gamers with low latency and telecommuting professionals. Take advantage of the summer offers and upgrade your listening experience!
