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Acer Gateway (GAHR012) True Wireless Stereo (TWS) Earphones vs Sennheiser HD221 Wired Headphones
Acer Gateway (GAHR012) True Wireless Stereo (TWS) Earphones
vs
Sennheiser HD221 Wired Headphone
comparison
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Acer Gateway (GAHR012) True Wireless Stereo (TWS) Earphones
Sennheiser HD221 Wired Headphones
key specs
Colour
White
Black
Headphone Type
In-Ear
Over-Ear
Microphone
Yes
-
Connectivity
True Wireless Stereo (TWS)
Wired
Type
Earphones
Headphones
general
Brand
Acer
Sennheiser
Model
Gateway (GAHR012) True Wireless Stereo (TWS) Earphones
HD221 Wired Headphones
Release date
January 19, 2021
April 11, 2016
Model Number
GAHR012
HD221
Color
White
-
Type
Earphones
Headphones
Headphone Type
In-Ear
Over-Ear
Connectivity
True Wireless Stereo (TWS)
Wired
Inline Remote
No
-
Colour
-
Black
product details
Microphone
Yes
-
Boom Microphone
No
-
Foldable
No
-
Driver Size (mm)
9
-
Water Resistant
IPX4
-
Cord Length (Metres)
-
1.2
Connector Size
-
3.5mm
sound features
Frequency Response Range
20Hz-20,000Hz
19Hz-21,000Hz
Impedance (Ohms)
-
16
Sensitivity (dB)
-
108
connectivity features
Bluetooth
Yes
No
Bluetooth Version
5
-
Bluetooth range (Metres)
10
-
battery features
Charging Port
USB Type-C
-
Charging Time (Hrs) Earpieces Only
1.5
-
Battery Life (Hrs) Earpieces Only
4
-
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