At a Glance
Show differences only
20000 Hz
20 Hz
20000 Hz
20 Hz
30 Hours
5 Hours
Wireless
In Ear, In the Ear
Wired
In Ear Canalphone, In the Ear
Wireless
In Ear Canalphone, In the Ear
10 meter
Auto Pairing
Portronics Harmonics Twins S9 vs Zebronics Twin vs boAt Airdopes 138
Key Feature Comparison
Detailed Specs
Brand
Portronics
Zebronics
boAt
Model
Harmonics Twins S9
Twin
Airdopes 138
Launch Date
29-Jul-23
-
19-Dec-20
Price
Rs. 1,099
Rs. 199
Rs. 1,290
Price Status
Confirmed
Confirmed
Confirmed
Market Status
Available
Discontinued
Available
Compatible Devices
Mobile Phone, PC, Tablet
Media player, Mobile Phone, Tablet
Media player, Mobile Phone, Tablet
Box Contents
Earbuds 2N, Charging Cable 1N, Documentation 1N
Earphone, User Manual, Warranty Card
Earbuds, Charging Case, User Manual, Warranty Card
Warranty
1 Year
1 Year
1 Year
Type
Wireless
Wired
Wireless
Design
In Ear
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
Eartip Size
Medium
-
Large, Medium, Small
Weight
100 gm
-
-
Dimensions
Overall :37 x 85 x 95 mm
-
-
Colours
Blue, White
Black
Black
Call Control
Answer / End
-
Answer/End
Music Control
Volume Control
-
-
Echo Reduction
-
Yes
-
Connectivity
Bluetooth
3.5 mm jack
Bluetooth
Bluetooth Version
5.3
-
5
Bluetooth Range
10 meter
-
10 meter
Bluetooth Features
Auto Pairing
-
-
Microphone
Yes
Yes
Yes
Playback Time
30 Hours
-
5 Hours
Charging Type
USB Type-C
-
-
Battery Type
Li-ion
-
-
Max Frequency Response
-
20000 Hz
20000 Hz
Min Frequency Response
-
20 Hz
20 Hz
Impedance
-
32 Ohms
-
Sensitivity
-
110 dB/mw
-
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