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CMF Buds 2a Tozo NC20 Pro

In-Depth Comparison

CMF Buds 2a are designed for a superior audio experience, featuring professionally tuned Dirac HD Audio for rich, detailed sound. Inside, a large 12.4mm dynamic driver delivers crisp, deep bass without distortion. These earbuds use Hybrid Active Noise Cancellation to effectively quiet your surroundings. For phone calls, a 4-microphone system with advanced wind reduction technology ensures your voice is always heard clearly, even on breezy days. They connect with the latest Bluetooth 5.4 and offer a long total playtime of 35.5 hours with the charging case, making them a reliable choice for daily listening. Discover the future of wireless audio with the TOZO NC20 Pro earbuds, now available! These sleek, in-ear sticks feature advanced Bluetooth 5.4 for seamless connection to two devices at once, plus NFC pairing for quick setup. Enjoy up to 16.5 hours of playback on a single charge with ANC off, or 12.5 hours with noise cancellation activated. The adaptive Active Noise Cancellation up to 52dB keeps ambient noise out, while transparency mode lets you stay aware of your surroundings. With studio-quality Hi-Res sound, customizable EQ settings, and a compact, waterproof design, these earbuds are perfect for everyday use. Bonus features include a 3-month game pass, pre-installed music apps, and a Find My Earbuds feature—making your listening experience smarter and more fun! In this comparison, we look at specs, features, and price to help you compare which is better. Let’s see key highlights below.

Quick Comparison (Top 5 Features)

Key Feature CMF Buds 2a Tozo NC20 Pro
Battery Life 8 Hours Up to 16.5 hours (single charge with ANC off), 12.5 hours (with ANC on)
Water Rating IP54 Waterproof IPX8 Waterproof
Bluetooth Version 5.4 5.4
Latency - -
Noise Cancellation Active Noise Cancellation up to 42dB Adaptive ANC with wind noise reduction and transparency mode
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Overview
Bluetooth Version
5.45.4-
ANC Specs
42dB Hybrid Active Noise CancellationAdaptive Active Noise Cancellation up to 52dB-
Gaming Mode
Low Latency Mode activated through the Nothing X appLow-latency gaming mode supported (via app control)-
Battery Life
8 HoursUp to 16.5 hours (single charge with ANC off), 12.5 hours (with ANC on)-
Other Connectivity Details
Wireless, Bluetooth range 10 metersBluetooth 5.4, Dual device connection, NFC pairing support-
Fast Charging
Yes, 10 minutes delivers 5.5 hours of ANC-free playbackSupports USB-C fast charging; 2 hours for full charge; 30 minutes provides approximately 50% charge-
Water Rating
IP54 WaterproofIPX8 Waterproof-
Audio
Driver Type
Dynamic DriverDLC (Diamond-Like Carbon) 12mm dynamic driver-
Audio Codec
AAC, SBC, aptX AdaptiveLDAC, AAC, SBC-
Signature Sound
Studio-grade sound with thundering bass, Dirac sound tuning, Ultra Bass Technology 2.0Customizable via 32 EQ modes in the app, with a focus on deep bass and clear vocals-
Noise Cancellation
Active Noise Cancellation up to 42dBAdaptive ANC with wind noise reduction and transparency mode-
Other Audio Features
Sound adapts to environment, Transparency ModeStudio-quality Hi-Res audio, 40 KHz frequency response, 60ms latency-
Battery
Total Playback with Charging Case
35.5 HoursUp to 80 hours (ANC off), approximately 63 hours (ANC on)-
Single Earbud Playback
8 HoursUp to 16.5 hours (ANC off), 12.5 hours (ANC on)-
Charging Time (Earbuds)
Approximately 1.5 HoursApproximately 2 hours-
Charging Time (Case)
89 MinutesN/A (case charges earbuds via USB-C or wireless charging)-
Battery Capacity Details
Charging case capacity 460 mAhEarbuds: 30mAh each; Charging case: 500mAh-
Connectivity
Multi-Point Connectivity
Supported, allows connection to two devices simultaneouslyYes, supports connection to two devices simultaneously-
Fast Pair
Supported via Google Fast PairYes, via NFC and Bluetooth pairing-
Compatible Devices
Cellphones, Laptops, Tablets, Smart TVsCellphones, Laptops, Tablets, PCs, MP3 players supporting Bluetooth-
NFC Pairing
Supported for quick pairingYes-
Charging
Charging Type
Wireless charging compatible, wired charging via included caseUSB-C and Wireless Charging (Qi-compatible)-
Battery Indicator
LED indicators on case and earbudsLED display on case showing battery status; earbuds also have in-ear sensors-
Quick Charging
Yes, 10 minutes for 5.5 hours ANC-free playbackSupports 30-minute charge for approximately 50% battery-
Wireless Charging
YesYes-
Calling
Mics(Microphones)
4 Microphones with Clear Voice Technology and Wind Noise Reduction 2.06 microphones with AI noise reduction system-
Other Calling Features
Studio-grade clarity, noise reduction, echo cancellationWind noise reduction, crystal-clear voice quality, AI call noise filtering-
Special Features
Touch Controls
YesYes, for play/pause, volume, noise mode switching, scene settings-
In-Ear Detection
Auto pause/play when earbuds are inserted or removedYes, sensors detect when earbuds are worn or removed-
Voice Assistant
Access via Nothing X app, supports ChatGPTSupports access via app; compatible with Siri, Google Assistant, Alexa-
Case Design
Compact, ergonomic, lanyard-ready caseCompact, lightweight, with LED display for battery and lyrics-
Ear Hook Design
No, in-ear style with secure fitIn-ear, ergonomic, stick-shaped design for all-day comfort-
Build & Design
Form Factor
BudIn-ear, stick-shaped-
Headphone Type
In-EarWireless earbuds-
Color Options
Dark Grey, Black, WhiteTitanium Black (other colors not specified)-
Material
Plastic with matte finishABS, Polycarbonate, nano waterproof coating-
Weight
3.21 ounces (91 grams)Earbuds: approximately 3.2 ounces (90 grams total with case)-
Noise Cancellation
Active Noise Cancellation(ANC)
Yes, 42dB Hybrid ANCYes, adaptive mode up to 52dB-
Noise Cancellation Modes
Hybrid ANC, Transparency ModeActive Noise Cancellation, Transparency Mode-
Transparency Mode
YesYes, for hearing ambient sounds-
More Features
Other Features
Waterproof IP54, Ergonomic design, Lanyard-ready caseFind My Earbuds, water ejection, left-right balance adjustment, lyrics display-
App Support
Yes, Nothing X appTOZO App with 32 EQ modes, scene settings, firmware updates-
Voice Prompts
Yes, for pairing, battery status, and mode changesYes, via app and earbuds-
Frequency
20Hz - 20,000Hz40 KHz frequency response-
Transmission Range
10 meters15 meters (Bluetooth range)-
Smart Features
Sleep Mode
Auto power-off after inactivity, low power modeSupported via app-
Health Monitoring
Not supportedNot specified-
Find My Earbuds
Supported via Nothing X appYes-
Customization Options
EQ Customization
Yes, via Nothing X appYes, 32 preset EQ modes plus custom EQ via app-
Ear Tip Sizes
S, M, LSix sizes included-
Firmware Updates
Supported via appSupported via TOZO app-
Customizable Controls
Yes, via appYes, via app and touch controls-
Controls
Button Controls
Tap gestures for play/pause, skip, previous, call answer/endTouch controls for playback, volume, noise modes-
Voice Assistant Control
Yes, via appSupported via app and voice assistants-
Music Controls
Touch controls for play/pause, track skip, volumePlay/Pause, next/previous track, volume adjustment-
Touch Sensitivity
Adjustable via appYes, customizable via app-
Customizable Controls
Yes, via appYes-
Box Contents
Earbuds
CMF Buds 2a Wireless Earbuds1 pair of TOZO NC20 Pro earbuds-
Charging Case
YesWireless charging case with LED display-
USB Cable Type-C
IncludedYes, 20cm USB-C to USB-A cable included-
User Manual
IncludedIncluded-
Warranty Card
IncludedIncluded-
Extra Earmuffs
Ear tips in size S, M, LSix ear tip sizes-
Launch Date
Release Date
March 27, 2025November 6, 2025-
Status
In StockAvailable-
Warranty
Product Warranty
Included (1-year limited warranty, terms vary by region)Standard 1-year warranty (manufacturer's warranty details as per local policy)-

Which is Better: CMF Buds 2a or Tozo NC20 Pro?

Based on the comparison, here are the benefits of CMF Buds 2a and Tozo NC20 Pro provided by nkbgaming.com/earbuds.

Pros of Tozo NC20 Pro:

Disclaimer: The information provided here may not be fully accurate. Please verify the specifications and prices on the retailer's website before making a purchase.