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Sony WF-C510 vs CMF by Nothing Buds 2 vs Realme Buds Air 7 Pro

cshadmin

- Updated: 5th Jul 2025, 10:40 IST

Key Feature Comparison

At a Glance

Show differences only

20000 Hz

20 Hz

40000 Hz

20 Hz

8 Hours

460 mAh

55 Hours

530 mAh

48 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, Multipoint

10 meter

Auto Pairing

10 meter

Auto Pairing

Detailed Specs

General

Brand

Sony

CMF

realme

Model

WF-C510

Buds 2

Buds Air 7 Pro

Launch Date

20-Sep-24

27-May-25

Price

Rs. 4,990

Rs. 2,699

Rs. 5,499

Price Status

Confirmed

Market Status

Available

Compatible Devices

Mobile Phone, PC, Tablet

Box Contents

Earbud, Charging Case, 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

Max Frequency Response

20000 Hz

40000 Hz

Min Frequency Response

20 Hz

Magnet Material

Neodymium

Driver Type

Dynamic Driver

Physical Design

Eartip Size

Large, Medium, Small

Weight

31 gm

51 gm

Colours

Black, Blue, White, Yellow

Orange, Light Green, Dark Grey

Fiery Red, Glory Beige, Metallic Grey, Racing Green

Dimensions

Eartips :33.4 x 22.8 x 20.6 mm Carrying case :53.3 x 53.3 x 23 mm

Features

Replaceable Earbuds

Yes

Call Control

Answer / End

Music Control

Volume Control

Noise Reduction

Yes

Noise Cancellation

Yes

Connectivity

Bluetooth

Bluetooth Version

5.3

5.4

Bluetooth Profile

A2DP, AVRCP, HFP,HSP

A2DP, AVRCP, HFP

Bluetooth Range

10 meter

Bluetooth Features

Auto Pairing, Multipoint

Auto Pairing

Microphone

Yes

Battery

Playback Time

8 Hours

55 Hours

48 Hours

Charging Type

USB

USB Type-C

Charging Time

3 Hours

93 Minute

2 Hours

Battery Capacity

460 mAh

530 mAh

Battery Type

Li-ion

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