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  3. Bone vs Airy Open TWS

Head Bone vs Teufel Airy Open TWS

What Bone does better (2) and where Airy Open TWS wins (0) — every spec side by side.

Head Bone
Head · 2025Bone
9.2Score
2 advantages≈ $130
Higher score
vs
Teufel Airy Open TWS
Teufel · 2024Airy Open TWS
0 advantages≈ $95

Why is Bone better than Airy Open TWS?

  1. Battery life11 h vs 6 h+83%
  2. Water resistance (IPx)IPx8 vs IPx42×

Why is Airy Open TWS better than Bone?

Airy Open TWS has no measurable advantages in this pair.

Specifications

Side by side

Head BoneHead Bone≈ $1309.2
Sound
FitNeckbandBone conduction
Ear cup design—Closed-back
Driver type—Dynamic
Driver size—14 mm
Lowest frequency—70 Hz
Highest frequency—16,000 Hz
Impedance80 Ω—
Sensitivity86 dB—
Battery & charging
Battery life11 h6 h
Battery capacity150 mAh—
Charging time2 h—
Connectivity
WirelessYesYes
Bluetooth version5.35.3
Multipoint (two devices)—Yes
Smart & streaming
Voice assistantAlexa, Siri—
Design & build
Weight32 g—
Protection ratingIPX8IPX4
Water resistance (IPx)IPx8IPx4
ColoursBlack—
Features
Hands-free calls—Yes
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