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  3. earU ER-100SH-WY vs OpenFit Pro

Casio earU ER-100SH-WY vs Shokz OpenFit Pro

What earU ER-100SH-WY does better (4) and where OpenFit Pro wins (2) — every spec side by side.

Casio earU ER-100SH-WY
Casio · 2026earU ER-100SH-WY
7.9Score
4 advantages≈ $320
vs
Shokz OpenFit Pro
Shokz · 2025OpenFit Pro
8.2Score
2 advantages≈ $250
Higher score
9.7Battery8.8
2.6Build & features6.8

Why is earU ER-100SH-WY better than OpenFit Pro?

  1. Battery life14 h vs 12 h+17%
  2. Charging time1.5 h vs 3 h2×
  3. aptXYes · OpenFit Pro: No
  4. Earbud weight (each)8 g vs 12.3 g+54%

Why is OpenFit Pro better than earU ER-100SH-WY?

  1. Water resistance (IPx)IPx4 vs IPx5+25%
  2. Bluetooth version5.4 vs 6.1+13%
Specifications

Side by side

Sound
FitOpen-earIn-ear
Ear cup designOpen-backOpen-back
Driver typeDynamic—
Driver size10 mm—
Lowest frequency—50 Hz
Highest frequency—40,000 Hz
Sensitivity—96 dB
Spatial / 3D audio—Yes
Head tracking—Yes
Dolby Atmos—Yes
Adjustable equaliserYesYes
Noise control
Active noise cancelling—Yes
Microphones—3
Battery & charging
Battery life14 h12 h
Battery life with ANC—24 h
Total with charging case—50 h
Battery capacity—90 mAh
Charging time1.5 h3 h
Quick charge (claimed)—10 min → 4 h
Fast charging support—Yes
Wireless charging (case)—Yes
Connectivity
WirelessYesYes
Bluetooth version5.46.1
Bluetooth codecsaptX, AAC, SBCAAC, SBC
Hi-res codec (LDAC / aptX HD / LHDC)NoNo
aptXYesNo
LDACNoNo
Multipoint (two devices)YesYes
USB-CYesYes
Smart & streaming
Companion app—Yes
Design & build
Earbud weight (each)8 g12.3 g
Protection ratingIPX4IP55
Water resistance (IPx)IPx4IPx5
Dust protection (IP)—5
Colours—OpenFit Pro Black, OpenFit Pro White
Features
Hands-free callsYesYes
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