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  3. Liberty Buds 2 vs OpenFit 2+ T921

Anker Liberty Buds 2 vs Shokz OpenFit 2+ T921

What Liberty Buds 2 does better (5) and where OpenFit 2+ T921 wins (0) — every spec side by side.

Anker Liberty Buds 2
Anker · 2026Liberty Buds 2
9.3Score
5 advantages≈ $140
Higher score
vs
Shokz OpenFit 2+ T921
Shokz · 2026OpenFit 2+ T921
8.9Score
0 advantages≈ $190
8.6Battery8.6
8.4Build & features7.0

Why is Liberty Buds 2 better than OpenFit 2+ T921?

  1. Hi-res codec (LDAC / aptX HD / LHDC)Yes · OpenFit 2+ T921: No
  2. Battery life12 h vs 11 h+9%
  3. LDACYes · OpenFit 2+ T921: No
  4. Earbud weight (each)4.7 g vs 9.4 g2×
  5. Bluetooth version6.1 vs 5.4+13%

Why is OpenFit 2+ T921 better than Liberty Buds 2?

OpenFit 2+ T921 has no measurable advantages in this pair.

Specifications

Side by side

Sound
FitIn-earOpen-ear
Ear cup designClosed-backOpen-back
Driver typeDynamicDynamic
Driver size9.2 mm—
Spatial / 3D audioYes—
Hi-Res AudioYes—
Adjustable equaliserYesYes
Noise control
Active noise cancellingYes—
Adaptive ANCYes—
Transparency / ambient modeYes—
Microphones6—
Noise reduction for callsYes—
Battery & charging
Battery life12 h11 h
Battery life with ANC7 h—
Total with charging case46 h—
Quick charge (claimed)10 min → 4 h—
Fast charging supportYes—
Wireless charging (case)—Yes
Connectivity
WirelessYesYes
Bluetooth version6.15.4
Bluetooth codecsLDACAAC, SBC
Hi-res codec (LDAC / aptX HD / LHDC)YesNo
aptXNoNo
LDACYesNo
Multipoint (two devices)YesYes
USB-C—Yes
Design & build
Earbud weight (each)4.7 g9.4 g
Protection ratingIP55IP55
Water resistance (IPx)IPx5IPx5
Dust protection (IP)55
ColoursSilver White, Glossy BlackOpenFit 2+ Black, OpenFit 2+ Grey, OpenFit 2+ Purple
Features
Touch controls—Yes
Hands-free callsYesYes
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