CMF by Nothing Neckband Pro vs Realme Buds Wireless 4 Neckband
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General
| Brand | CMF | Realme |
| Model | Neckband Pro | Buds Wireless 4 |
| Design | Neckband | Neckband |
| Type | In the Ear | In the Ear |
| Connectivity | Wireless | Wireless |
Design and Body
| Weight | 29.6 g |
Features
| Bluetooth | Yes, 5.3 | Yes |
| Bluetooth Range | 10 m | |
| USB | Yes | Yes |
| Microphone | Yes, 5 mics | Yes |
| Voice Assistant | Yes | Yes, Google/Siri |
| Water Resistant | Yes | Yes |
| Controls | Smart Dial 3 in 1 Intuitive Sound Control | On/Off, Volume Control |
| Music Controls | Play/Pause | Pause/Play |
| Call Controls | Answer/Hang up Calls | Accept/Reject calls |
| Switch between Call and Music | Yes | Yes |
| Additional Features | IP55 Rated, Low Lag mode, Transparency Mode, Type-C Charging, Dual Device Connectivity, Magnetic Earbuds, LED Charging Status | Low Latency, Type-C Charging, Dual Pairing, LED Indicator |
Sound Features
| Deep Bass | Yes | Yes |
| Impedance | 16 ohm | |
| Frequency Response | 20 Hz (Min) - 20 kHz (Max) | 20 Hz (Min) - 20 kHz (Max) |
| Driver Unit | 13.6 mm | |
| Driver Type | Custom Dynamic Driver | Dynamic |
| Noise Reduction | Wind Noise Reduction | |
| Active Noise Cancellation | Yes, 50dB-Hybrid ANC | Yes |
| Other Features | Ultra Bass Technology 2.0 & Spatial Audio Effect |
Extra
| Sales Package | 1 U Neckband, Type-C Cable, Safety information and warranty information, User Guide, Ear tips in size S, M, L | 1 U Neckband, USB Charging Cable, User Manual |
| Inline Remote | Yes | Yes |
| Other | Google Fast Pair & Microsoft Swift Pair, Find My Earbuds |
Power Features
| Power Input | DC 5V | |
| Battery Capacity | 220 mAh | |
| Battery | 10 min Charge= 18 hr Playtime | |
| Battery Life | 37 hours (ANC Off) 23 hours (ANC On) | 36 hours (ANC Off) |
Warranty
| Warranty | 1 year, Manufacturer Warranty | 1 year, Brand Warranty |
| Warranty Type | Manufacturer | Manufacturer |
| Covered in Warranty | Manufacturing Defects | Manufacturing Defects |
| Not Covered in Warranty | Physical Damage | Physical Damages |
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