At a Glance
Show differences only
20000 Hz
20 Hz
20000 Hz
20 Hz
70 Hours
40
65 Hours
Wireless
Over Ear, Over the Head
Wireless
On Ear, Over the Head
Wireless
On Ear, Over the Head
10 meter
Auto Pairing
10 meter
Auto Pairing
10 meter
Auto Pairing
Key Feature Comparison
Detailed Specs
Brand
Noise
Sony
boAt
Model
Four
WH-CH520
Nirvanaa 751 ANC
Launch Date
11-Jul-24
12-Apr-23
7-Feb-22
Price
Rs. 2,499
Rs. 4,490
Rs. 3,999
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
Headphone, USB Cable, User Manual, Warranty Card
Headband
Headphone, USB Cable Type C, User Manual, Warranty Card
Warranty
1
1 Year
1 Year
Type
Wireless
Wireless
Wireless
Design
Over Ear
On Ear
On Ear
Fit
Over the Head
Over the Head
Over the Head
Open or Closed Back
Closed Back
Closed Back
Closed Back
Water Resistant
-
No
-
Driver Type
Dynamic Driver
-
-
Max Frequency Response
-
20000 Hz
20000 Hz
Min Frequency Response
-
20 Hz
20 Hz
Eartip Size
Large
Large
Large
Colours
Calm Beige, Carbon Black
Black, Blue, White, Beige
, Bold Blue, Gunmetal Grey, Sterling Silver
Weight
-
147 gm
260 gm
Dimensions
-
Overall :237.9 x 104.1 x 119.1 mm
Overall :45 x 180 x 200 mm
Noise Cancellation
Yes
-
Yes
Call Control
Answer End
Answer / End
Answer/End
Music Control
Volume Control
Volume Control
Volume Control
Other Control
-
Volume up/down; on/off
Change tracks, Redial, and Access voice assistant
Voice Assistant
-
Yes, Siri/OK Google
-
Connectivity
Bluetooth
Bluetooth
Bluetooth
Bluetooth Version
5.4
5.2
5
Bluetooth Profile
A2DP, AVRCP, HFP
A2DP, AVRCP, HFP, HSP
-
Bluetooth Range
10 meter
10 meter
10 meter
Bluetooth Features
Auto Pairing
Auto Pairing
Auto Pairing
Microphone
Yes
Yes
Yes
Playback Time
70 Hours
40
65 Hours
Battery Type
Li-ion
-
-
Charging Type
-
USB Type-C
USB Type-C
Charging Time
-
3 Hours
1 Hours
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