• New
New

Koss Bluetooth Headphones BT391i

$80,000
Qty
Out-of-Stock

The Koss BT539i Wireless Bluetooth® Headphones incorporate powerful wireless sound into a portable folding unit. Uses Bluetooth® 4.0 technology

                         

The Koss BT539i Wireless Bluetooth® Headphones incorporate powerful wireless sound in a portable folding unit. It uses Bluetooth® 4.0 technology to allow you to connect to your audio source wirelessly. The headphones feature the natural fit, the iconic "D-profile" headphone, which mimics the shape of the ear, creating an excellent seal for more consistent sound reproduction. Listeners stay connected using the built-in microphone. Built-in easy-to-locate controls allow listeners to quickly navigate songs, play or pause music, change the volume level, and answer incoming calls. The built-in rechargeable lithium-ion battery offers up to 12 hours of playtime or 12 hours of talk time (at moderate levels) and 40 hours of standby time on a single charge. If the rechargeable battery runs out, the BT539i comes with a detachable analog cable, which can be used as an audio bypass. The BT539i headphones can be folded into a convenient size that is easy to carry and even easier to store. Full-size wireless headphones with Bluetooth® Bluetooth® 4.0 technology Profile D Built-in rechargeable lithium-ion battery Up to 12 hours of play time (at moderate volume) on one charge Up to 40 hours of standby time on one charge Detachable cable Folds down to travel