Select City
TECH500

CMF by Nothing Neckband Pro vs CMF by Nothing Buds Pro vs Sony WH-CH520

Key Feature Comparison

CMF by Nothing Neckband Pro

Check Price
close
8.4

CMF by Nothing Buds Pro

Check Price
close
9

Sony WH-CH520

Check Price
close

At a Glance

Show differences only

20000 Hz

20 Hz

20 kHz

20 Hz

20000 Hz

20 Hz

220 mAh

37 hours (ANC Off), 23 hours (ANC On)

460 mAh (Case), 55 mAh Per Earbud

39 Hours

40

Wireless

In Ear Canalphone, Behind the neck

Wireless

In Ear Canalphone, In the Ear

Wireless

On Ear, Over the Head

10 meter

Auto Pairing

10 meter

Auto Pairing

10 meter

Auto Pairing

Detailed Specs

Brand

CMF
CMF by Nothing
Sony

Model

Neckband Pro
Buds Pro
WH-CH520

Launch Date

5-Mar-24
26-Sep-23
12-Apr-23

Price

Rs. 1,999
Rs. 3,499
Rs. 4,490

Price Status

Confirmed
Confirmed
Confirmed

Market Status

Available
Available
Available

Compatible Devices

Mobile Phone, PC, Tablet
Mobile Phone, PC, Tablet
Mobile Phone, PC, Tablet

Box Contents

CMF Neckband Pro x 1, Ear tips in size S, M, L, Safety information and warranty information , User guide
1 Pair of Earbuds, USB Cable, User Manual, Safety and Warranty Card
Headband

Warranty

1 Year
1 Year
1 Year

Type

Wireless
Wireless
Wireless

Design

In Ear Canalphone
In Ear Canalphone
On Ear

Fit

Behind the neck
In the Ear
Over the Head

Open or Closed Back

Closed Back
Closed Back
Closed Back

Water Resistant

Yes, IP55 rating
Yes, IP54 Rated
No

Max Frequency Response

20000 Hz
20 kHz
20000 Hz

Min Frequency Response

20 Hz
20 Hz
20 Hz

Driver Type

Dynamic Driver, 13.6 mm
Dynamic
-

Foldable Design

Yes
-
-

Eartip Size

Large, Medium, Small
Large, Medium, Small
Large

Weight

29 gm
Earbud 4.8 grams Charging box 44.5 grams
147 gm

Dimensions

Overall :937 x 13.2 x 22.8 mm
Dimensions Earbud 31.6 x 21.6 x 22.5mm, Charging box 58 x 58 x 24mm
Overall :237.9 x 104.1 x 119.1 mm

Colours

Dark Grey, Light Grey, Orange
Orange, Dark Grey, Light Grey
Black, Blue, White, Beige

Noise Cancellation

Active Noise Cancellation
Yes
-

Replaceable Earbuds

Yes
Yes
-

Call Control

Answer / End
Answer / End
Answer / End

Music Control

Volume Control
Volume Control
Volume Control

Voice Assistant

Yes
Yes
Yes, Siri/OK Google

Noise Reduction

-
Anti-wind noise structure
-

Other Control

-
Touch
Volume up/down; on/off

Connectivity

Bluetooth
Bluetooth
Bluetooth

Bluetooth Version

5.3
5.3
5.2

Bluetooth Profile

A2DP, AVRCP, HFP
-
A2DP, AVRCP, HFP, HSP

Bluetooth Range

10 meter
10 meter
10 meter

Bluetooth Features

Auto Pairing
Auto Pairing
Auto Pairing

Microphone

Yes
Yes
Yes

Battery Capacity

220 mAh
460 mAh (Case), 55 mAh Per Earbud
-

Playback Time

37 hours (ANC Off), 23 hours (ANC On)
39 Hours
40

Charging Type

USB Type-C
USB
USB Type-C

Charging Time

10 mins of charge provides 18 hours of playback
1.5 hours (Case)
3 Hours

Battery Type

Li-ion
Li-ion
-
Turn your old phone into cash

You May Also Read

Micromax Mobile Price List
Sony Mobile Price List
Lenovo Mobile Price List
Honor Mobile Price List
Asus Mobile Price List

Recent News

Vijay Sales Holi Offer: OnePlus 15 Available Under 50000
3rd Mar 2026
Vivo X300 Ultra Launched At MWC 2026: See Price And Specs
3rd Mar 2026
Nothing Phone 4a Sale Will Begin From 7 March 2026: Pricing Confirmed
3rd Mar 2026
You Can Buy Phone 15 Under 40K At Vijay Sales: Know How
3rd Mar 2026
Samsung S24 FE OneUI 8 Update: S Series Receives New Security Upgrades
3rd Mar 2026

Tips & Tricks

How To Transfer Airtel eSIM From One Phone To Another
2nd Mar 2026
Google Pixel 10a Best Camera Settings: All Pro Mode Explained
25th Feb 2026
Best Camera Settings For iPhone 15
24th Feb 2026
How To Delete Snap Story: Simple Step-by-Step Guide
18th Feb 2026
How To Delete Contact From WhatsApp: Quick & Easy Steps In 2026!
17th Feb 2026

Popular Leaks

Samsung Galaxy S26 Price Confirmed: No Increase In 2026
13th Jan 2026
Honor Launches Robot Phone: The First Ever Phone With A Robotic Arm Is Here 
17th Oct 2025
Realme Big Announcements: 15T Launch And 15000mAh Battery Phone
29th Aug 2025
Nothing Phone 4a First Look Revealed: Here Is The Design
24th Feb 2026
Breaking: iPhone Fold Launch Set For 2026: Biggest Redesign Yet With Touch ID Return
21st Feb 2026