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CMF by Nothing Buds 2 Plus vs Realme Buds Air 7 Pro vs OnePlus Buds 4

Key Feature Comparison

CMF by Nothing Buds 2 Plus

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Realme Buds Air 7 Pro

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OnePlus Buds 4

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At a Glance

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40000 Hz

20 Hz

40000 Hz

20 Hz

40000 Hz

15 Hz

460 mAh

61.5 Hours

530 mAh

48 Hours

530 mAh

45 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

Brand

CMF
realme
OnePlus

Model

Buds 2 Plus
Buds Air 7 Pro
Buds 4

Launch Date

28-Apr-25
27-May-25
8-Jul-25

Price

Rs. 3,299
Rs. 5,499
Rs. 5,999

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

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

Warranty

1 Year
1 Year
1 Year

Type

Wireless
Wireless
Wireless

Design

In Ear Canalphone
In Ear Canalphone
In Ear Canalphone

Fit

In the Ear
In the Ear
In the Ear

Open or Closed Back

Closed Back
Closed Back
Closed Back

Max Frequency Response

40000 Hz
40000 Hz
40000 Hz

Min Frequency Response

20 Hz
20 Hz
15 Hz

Driver Type

Dynamic Driver, 12 mm
-
Dynamic Driver

Eartip Size

Large, Medium, Small
Large, Medium, Small
Large, Medium, Small

Weight

52 gm
-
49 gm

Dimensions

Eartips :33.6 x 22.7 x 20.9 mm Carrying case :53.3 x 53.3 x 23 mm
-
Eartips :31 x 24.2 x 20.6 mm, Carrying case :65.4 x 52.4 x 25.3 mm

Colours

Blue, Light Grey
Fiery Red, Glory Beige, Metallic Grey, Racing Green
Zen Green, Storm Grey

Foldable Design

-
Yes
-

Noise Cancellation

Yes
Yes
Active Noise Cancellation

Replaceable Earbuds

Yes
Yes
Yes

Call Control

Answer End
Answer / End
-

Music Control

Volume Control
Volume Control
-

Noise Reduction

-
Yes
-

Connectivity

Bluetooth
Bluetooth
Bluetooth

Bluetooth Version

5.4
5.4
5.4

Bluetooth Range

10 meter
10 meter
10 meter

Bluetooth Features

Auto Pairing
Auto Pairing
Auto Pairing

Microphone

Yes
Yes
Yes

Battery Capacity

460 mAh
530 mAh
530 mAh

Playback Time

61.5 Hours
48 Hours
45 Hours

Charging Type

USB Type-C
USB Type-C
USB Type-C

Charging Time

95 Minute
2 Hours
80 Minute

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