SoundFree S40 open-ear earbuds

SoundFree S40 open-ear earbuds with Bluetooth, titanium ear hooks, ENC calls, and IP55 protection. Source wording states “8.3g lightweight fit” and “40H battery” without specifying their measurement basis.

  • 2 offers
  • Open-ear earbuds
  • Part Number: 2 variants
Price range €95

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Feature Part number 237530300182 Part number 237530300199
Price €94.99 €94.99
Updated Nov 13, 2026 Nov 13, 2026
Availability Available to order Available to order
Part Number 237530300182 237530300199

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Model S40 HiTune S3 V20i GoFree 2s Free 2S V20i
Price €94.99 €43.17 €36.18 €162.84 €116.71 €45.23
Seller Newegg Newegg Newegg Newegg Newegg Newegg
Update Nov 13, 2026 Nov 13, 2026 Nov 13, 2026 Nov 13, 2026 Nov 13, 2026 Nov 13, 2026
Model Name S40 HiTune S3 V20i GoFree 2s Free 2S V20i
Part Number 237530300182 TSADF7G5701 A3876Z11 GoFree 2s CAPCP880571915411 A3876, A3876Z31
Call Feature ENC calls ENC clear calls AI clear calls
Product Type Open-ear earbuds Open-ear earbuds Open-ear headphones Open-ear wireless headphones Wireless earbuds Earbud, Open-ear headphones
Input impedance 16 ohms 11 ohms 11 ohms
Bluetooth Version 5.4 5.4 6.0 Bluetooth 5.4
Frequency Response 20 Hz - 20,000 Hz 5 Hz–40 kHz 20 Hz - 20,000 Hz
Ingress Protection Rating IP55 IPX5 IP55

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