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

cshadmin

- Updated: 4th Feb 2026, 10:30 IST

Key Feature Comparison

At a Glance

Show differences only

460 mAh

35.5 Hours

52 Hours

440 mAh

43 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

realme

OnePlus

Model

Buds 2a

Air 7

Nord Buds 3

Launch Date

28-Apr-25

19-Mar-25

17-Sep-24

Price

Rs. 2,199

Rs. 2,799

Rs. 2,299

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

Neckband, USB Cable, User Manual, Warranty Card

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

Warranty

1 Year

Design

Type

Wireless

Design

In Ear Canalphone

Fit

In the Ear

Open or Closed Back

Closed Back

Water Resistant

Yes, IP55 rating

Performance

Driver Type

Dynamic Driver

Dynamic Driver, 12.4 mm

Physical Design

Eartip Size

Large, Medium, Small

Weight

51 gm

50 gm

Dimensions

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

Overall :62 x 49 x 24 mm

Eartips :29.99 x 20.30 x 23.87 mm, Carrying case :66.60 x 54.24 x 24.83 mm

Colours

Light Grey, Dark Grey

Slate Grey, Ivory Gold, Moss Green, Lavender Purple

Melodic White, Harmonic Gray

Features

Noise Cancellation

Yes

, Active Noise Cancellation

Active Noise Cancellation

Replaceable Earbuds

Yes

Call Control

Answer / End

Answer & End

Music Control

Volume Control

Connectivity

Bluetooth

Bluetooth Version

5.4

5.3

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

52 Hours

43 Hours

Charging Type

USB Type-C

USB

Charging Time

89 Minutes

Battery Type

Li-ion

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