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boAt Airdopes 621 True Wireless Stereo (TWS) Earphones vs Sennheiser HD239 Wired Headphones
boAt Airdopes 621 True Wireless Stereo (TWS) Earphones
vs
Sennheiser HD239 Wired Headphone
comparison
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boAt Airdopes 621 True Wireless Stereo (TWS) Earphones
Sennheiser HD239 Wired Headphones
key specs
Colour
Black
Black
Headphone Type
In-Ear
Over-Ear
Microphone
Yes
No
Connectivity
True Wireless Stereo (TWS)
Wired
Type
Earphones
Headphones
general
Brand
boAt
Sennheiser
Model
Airdopes 621 True Wireless Stereo (TWS) Earphones
HD239 Wired Headphones
Release date
March 26, 2021
November 8, 2012
Color
Black
-
Type
Earphones
Headphones
Headphone Type
In-Ear
Over-Ear
Connectivity
True Wireless Stereo (TWS)
Wired
Colour
-
Black
Model Number
-
HD239
product details
Microphone
Yes
No
Driver Type
Dynamic
-
Driver Size (mm)
6
-
Number of Drivers
1
-
Water Resistant
IPX7
-
Cord Length (Metres)
-
1.4
Connector Size
-
3.5mm
Weight (g)
-
280.00
sound features
Impedance (Ohms)
16
32
Frequency Response Range
20Hz-20,000Hz
16Hz-23,000Hz
Sensitivity (dB)
-
114
connectivity features
Bluetooth
Yes
No
Bluetooth Version
5
-
Bluetooth range (Metres)
10
-
battery features
Charging Port
USB Type-C
-
Charging Time (Hrs)
5
-
Battery Life (Hrs) Earpieces Only
5.5
-
Battery Life (Hrs) With Case Total
150
-
Battery Capacity (mAh) Earpieces
35
-
Battery Capacity (mAh) Case
2600
-
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