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Compare 3 products

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AfterShokz Bluez 2S Headphones
AfterShokz Bluez 2S
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AfterShokz Trekz Air Headphones
AfterShokz Trekz Air
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Sennheiser RS 120-8 Headphones
Sennheiser RS 120-8
Available colors
Editiorial reviews
1
1 editorial reviews
Recently, I've been trying to put more of an effort into working out and exercising. Like many other activities I do, I won't even consider exercising withoutRead more
Read editorial reviews
11
3.9 out of 5
5 user ratings
5 stars
20 %
4 stars
80 %
3 stars
0 %
2 stars
0 %
1 stars
0 %
Read editorial reviews
4
4 editorial reviews
Sennheiser's affordable, comfortable wireless headphones sound almost as good as corded 'phones.Read more
Sennheiser RS 120 Headset Review: is one of the few products that one cannot attribute to the epithet of mediocre sound standardsRead more
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User rating
37
4.2 out of 5
37 user ratings
5 stars
35 %
4 stars
45 %
3 stars
18 %
2 stars
0 %
1 stars
0 %
37
4.2 out of 5
37 user ratings
5 stars
43 %
4 stars
32 %
3 stars
24 %
2 stars
0 %
1 stars
0 %
5
4.2 out of 5
5 user ratings
5 stars
20 %
4 stars
80 %
3 stars
0 %
2 stars
0 %
1 stars
0 %

Technical details

Sound outputStereoStereoStereo
StyleOver-EarIn-EarOn-Ear
Connectivity technologyWirelessWirelessWireless
Headset (integrated/enclosed microphone)yesyesno
Magnet material
N/A
N/A
Neodymium

Design

Colour of product
  • Black
  • Green
  • Blue
  • Green
  • Grey
  • Red
  • Black
  • Grey
Acoustic designOpenClosedOpen
Attachment typeNeckband
N/A
Headband
Control type
N/A
Buttons
N/A
Foldable
N/A
no
N/A

Dimensions

Weight1.45 oz1.06 oz8.11 oz
Width
N/A
N/A
3.35 in
Depth
N/A
N/A
8.86 in
Height
N/A
N/A
5.24 in

Sound

Sensitivity< 100< 100< 106
Frequency range< 2020 - 2000022 - 19500
Impedance
N/A
11.4 Ω
N/A
Driver technology
N/A
DynamicDynamic
Total harmonic distortion (THD)
N/A
N/A
0.7 %

Connectivity

Bluetooth version3.0+HS4.2
N/A
Wireless range1010100
Bluetooth profile
N/A
  • A2DP
  • AVRCP
  • HFP
  • HSP
N/A
Wireless connection
N/A
Bluetooth
Radio
USB
N/A
yes
N/A
Type of USB connector
N/A
Micro-USB
N/A

Power

Battery operatedyesyesyes
Battery technology
Lithium-Ion
Lithium-Ion
Nickel-Metal Hydride
Battery life6.0 h6.0 h25.0 h
Standby time240.0 h480.0 h
N/A
Battery capacity
N/A
183.0 mAh
N/A
Battery recharge time
N/A
2.0 h
N/A
Talk time
N/A
N/A
25.0 h

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