Koss HiFi-Profis

Koss TWS150i

incl. VAT

This product is currently out of stock and unavailable.

Koss TWS150i

Please note the Note on return shipping of in-ear headphones.


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    • 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

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    Product Highlights

    • Wireless, In Ear Bluetooth headphones with a high sound quality 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
    • Microphone for convenient hands-free calls
    • Silicone ear pads (S, M, L)

    • Product type : Headphones True Wireless

    • Transducer diameter (mm) : 5.8
    • Frequency response lower limit (Hz) : 20
    • Frequency response upper limit (Hz) : 20000
    • max. Sound pressure (dB) : 101
    • Range (m) : 10

    • Coupling : in-ear
    • Ear coupling : In-ear coupling

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

    • Frequency response lower limit (Hz) : 20
    • Frequency response upper limit (Hz) : 20000
    • max. Sound pressure (dB) : 101
    • Transducer diameter (mm) : 5.8
    • Integrated microphone : Yes
    • Handsfree : Yes

    • Power supply by battery : Yes
    • Operating time with battery power (hrs.) : 6
    • Range (m) : 10

    • Bluetooth interface : Yes

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