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  3. Sleepbuds II vs TWS250i

Bose Sleepbuds II vs Koss TWS250i

What Sleepbuds II does better (2) and where TWS250i wins (0) — every spec side by side.

Bose Sleepbuds II
Bose · 2020Sleepbuds II
5.0Score
2 advantages
Higher score
vs
Koss TWS250i
Koss · 2021TWS250i
4.9Score
0 advantages≈ $50
3.1Noise control & calls3.1

Why is Sleepbuds II better than TWS250i?

  1. Battery life10 h vs 4 h2.5×
  2. Earbud weight (each)2.3 g vs 10 g4.4×

Why is TWS250i better than Sleepbuds II?

TWS250i has no measurable advantages in this pair.

Specifications

Side by side

Koss TWS250iKoss TWS250i≈ $504.9
Sound
FitIn-earIn-ear
Ear cup designClosed-backClosed-back
Driver typeDynamicDynamic
Lowest frequency—20 Hz
Highest frequency—20,000 Hz
Noise control
Active noise cancellingNoNo
Battery & charging
Battery life10 h4 h
Charging time6 h—
Connectivity
WirelessYesYes
Bluetooth version55
Design & build
Earbud weight (each)2.3 g10 g
Protection rating—IPX5
Water resistance (IPx)—IPx5
ColoursWhite—
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