Koss TWS250i black product image
Koss TWS250i headphones next to charging box white background
Koss TWS250i headphones in charging box white background

Koss TWS250i

incl. VAT

This product is currently out of stock and unavailable.

KOSS TWS250i – Bluetooth in-ear headphones

Please see the note regarding return shipping of in-ear headphones.

  • Wireless, In Ear Bluetooth® headphones with high quality sound and exceptional mechanical quality typical of KOSS.
  • Bluetooth® 5.0 technology
  • 10m action radius
  • Up to 6 hours of play and talk time on one charge (at moderate volume)
  • Charging box with battery increases the usage time by 20 hours
  • Standby time: 50 h
  • Audio driver diameter: 5.8mm
  • IPX5 standard
  • USB cable included
  • Microphone for comfortable handsfree talking
  • Silicone ear pads (S, M, L)
  • 20 – 20,000 Hz
  • 101 dB SPL/1mW


Your HiFi-Profis

Would you like to learn more about the product, or would you like more detailed purchase advice? Then please feel free to contact our professionals. We look forward to hearing from you!

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    Customer inquiry


    We will respond by tomorrow morning.




    Product Highlights

    • Bluetooth 5.0
    • IPX5 standard
    • Smart Connect Case UI
    • Music playing time – 4.5 + hours
    • Call duration – 4.5 + hours
    • Improved hold due to optimized positioning in the ear
    • Range approx. 10m
    • Charging time 1.5 hours in the charging box
    • Transducer: 6mm diameter

    • Product type : Headphones True Wireless

    • transducer diameter (mm) : 6

    • Coupling : in-ear
    • weight, handset (g) : 10
    • Ear coupling : In-ear coupling

    • Bluetooth headset : Yes
    • System consisting of: : consisting of wireless headphones+charging case

    • Transducer diameter (mm) : 6
    • Integrated microphone : Yes
    • Handsfree : Yes

    • Power supply by battery : Yes
    • Battery charging time (hrs.) : 1.5

    • Bluetooth interface : Yes
    • USB Type-C : Yes

    Hersteller

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