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CMF by Nothing Buds 2a vs OnePlus Nord Buds 3 Pro vs Realme Buds Air 7

cshadmin

- Updated: 30th May 2025, 19:09 IST

Key Feature Comparison

At a Glance

Show differences only

40000 Hz

20 Hz

460 mAh

35.5 Hours

440 mAh

44 Hours

52 Hours

Wireless

In Ear Canalphone, In the Ear

Wireless

In Ear Canalphone, In the Ear

Wireless

In Ear Canalphone, In the Ear

10 meter

Auto Pairing

10 meter

Auto Pairing

10 meter

Auto Pairing

Detailed Specs

General

Brand

CMF

OnePlus

realme

Model

Buds 2a

Nord Buds 3 Pro

Buds Air 7

Launch Date

28-Apr-25

16-Jul-24

19-Mar-25

Price

Rs. 2,199

Rs. 3,299

Price Status

Confirmed

Market Status

Available

Compatible Devices

Mobile Phone, PC, Tablet

Box Contents

Earbuds, Charging Case, USB Cable Type C, User Manual, Warranty Card

Earbuds, Charging Case, USB Cable, User manual, Warranty Card

Warranty

1 Year

Design

Type

Wireless

Design

In Ear Canalphone

Fit

In the Ear

Open or Closed Back

Closed Back

Performance

Driver Type

Dynamic Driver

Max Frequency Response

40000 Hz

Min Frequency Response

20 Hz

Physical Design

Eartip Size

Large, Medium, Small

Weight

51 gm

43 gm

Dimensions

Eartips :32.5 x 24.3 x 20.3 mm Carrying case :54.7 x 54.7 x 23 mm

Eartips :29.9 x 20.3 x 23.8 mm, Carrying case :66.6 x 51.2 x 24.8 mm

Colours

Light Grey, Dark Grey

Soft Jade, Starry Black

Ivory Gold, Lavender Purple, Moss Green

Foldable Design

Yes

Features

Noise Cancellation

Yes

Active Noise Cancellation

Replaceable Earbuds

Yes

Call Control

Answer / End

Answer End

Answer / End

Music Control

Volume Control

Connectivity

Bluetooth

Bluetooth Version

5.4

Bluetooth Profile

A2DP

Bluetooth Range

10 meter

Bluetooth Features

Auto Pairing

Microphone

Yes

Battery

Battery Capacity

460 mAh

440 mAh

Playback Time

35.5 Hours

44 Hours

52 Hours

Charging Type

USB Type-C

Charging Time

89 Month

1.2 Hours

Battery Type

Li-ion

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