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CMF by Nothing Neckband Pro vs OPPO Enco M33 vs boAt Nirvana 525 ANC

cshadmin

- Updated: 28th Jul 2025, 19:04 IST

Key Feature Comparison

At a Glance

Show differences only

20000 Hz

20 Hz

20000 Hz

20 Hz

220 mAh

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

20 Hours

180 mAh

30 Hours

Wireless

In Ear Canalphone, Behind the neck

Wireless

In Ear Canalphone, Behind the neck

Wireless

In Ear Canalphone, Behind the neck

10 meter

Auto Pairing

10 meter

Auto Pairing

Detailed Specs

General

Brand

CMF

OPPO

Boat

Model

Neckband Pro

Enco M33

Nirvana 525 ANC

Launch Date

5-Mar-24

7-Aug-23

7-June-23

Price

Rs. 1,999

Rs. 2,896

Rs. 2,799

Price Status

Confirmed

Expected

Confirmed

Market Status

Available

Launched Globally

Available

Compatible Devices

Mobile Phone, PC, Tablet

Media player, Mobile Phone, 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

Neck Band, USB Cable, User Manual, Warranty Card

Neckband, USB Cable, User Manual, Warranty Card

Warranty

1 Year

Design

Type

Wireless

Design

In Ear Canalphone

Fit

Behind the neck

Open or Closed Back

Closed Back

Water Resistant

Yes, IP55 rating

Yes, IP55

Yes

Performance

Max Frequency Response

20000 Hz

Min Frequency Response

20 Hz

Driver Type

Dynamic Driver, 13.6 mm

Dynamic Driver

Magnet Material

Neodymium

Sensitivity

45dB

Physical Design

Foldable Design

Yes

Eartip Size

Large, Medium, Small

Weight

29 gm

Dimensions

Overall :937 x 13.2 x 22.8 mm

Colours

Dark Grey, Light Grey, Orange

Obsidian Black, Cangling Green

Space Black, Celestial Blue, Cosmic Grey

Features

Noise Cancellation

Active Noise Cancellation

Yes, Active Noise Cancellation

Yes

Replaceable Earbuds

Yes

Call Control

Answer / End

Answer/End

Answer / End

Music Control

Volume Control

Voice Assistant

Yes

Yes, Siri & Google Assistant

Connectivity

Bluetooth

Bluetooth Version

5.3

5.2

Bluetooth Profile

A2DP, AVRCP, HFP

Bluetooth Range

10 meter

Bluetooth Features

Auto Pairing

Microphone

Yes

Battery

Battery Capacity

220 mAh

180 mAh

Playback Time

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

20 Hours

30 Hours

Charging Type

USB Type-C

USB

Charging Time

10 mins of charge provides 18 hours of playback

10 Minute

40 Minute

Battery Type

Li-ion

Li-Polymer

Li-ion

Standby Time

28 Hours

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