Harman Kardon Bluetooth Speaker Onyx Studio 4 Call Centre USB headphone 5-inch full-range drivers to produce

5-inch full-range drivers to produce 4 W audio output

Adjust ambient sound with the Sony Headphones Connect app to hear essential sounds like traffic or announcements

5 hours (Varies by charging current

rich and deep

Premium Sound: For big sound no matter what you listen to

Harman Kardon Bluetooth Speaker Onyx Studio 4 Call Centre USB headphone 5-inch full-range drivers to produceHarman Kardon Bluetooth Speaker Onyx Studio 4 Providing the perfect balance of great sound, iconic design, and premium materials, the Onyx Studio 4 is the epitome of room filling audio. Crafted to be the best sounding, full featured, portable Bluetooth speaker in its class, the Onyx Studio 4 offers two device connections, 8 hours of playtime and Harman Kardon Connect+, which allows you to connect 100+ speakers with the same feature with the touch of a