Koss BT540i 187303 Full Size Bluetooth Headphones (3.5 mm Jack) for iMac/iPhone/iPod/Laptop/MP3 Players/Samsung/Smartphones – Black
Featuring state of the art Bluetooth hardware & software integrated with aptX codec technology, the Koss BT540i is one of the most advanced Bluetooth headphones designed by Koss Corporation.

Easy to locate, onboard controls allow listeners to quickly navigate through songs, play or pause music, volume-up, volume-down, and answer incoming calls. (via integrated mic)

Premium leather memory foam cushions close gaps around the ear, creating the perfect seal with an incredibly comfortable fit.

The built-in lithium-ion battery delivers more than 8 hours of listening time on a single charge. A detachable audio cable is included and can be used as a bypass should the battery run out.

BT540i Wireless Bluetooth Headphones are outfitted with the all-new precision-tuned Koss PLX40 Dynamic Elements featuring crisp highs, robust mids and smooth lows, perfect for personal listening.

Brand: Koss
Model Number: BT540i
Hardware Platform: Laptop, MP3 Player, Smartphone
Hardware Interface: USB

Special Features
Soft Memory Foam Cushions
Microphone Form Factor
With_Microphone
Speaker Amplification Type: Stereo
Headphones Form Factor: Over Ear
Voltage: 240 Volts
Batteries Included: Yes
Batteries Required: Yes
Battery cell composition: Lithium Ion
Cable Feature: Detachable
Connector Type: Wireless
Device interface – primary: Microphone, Buttons
Material Type: Leather
Contains Liquid Contents: No
Includes Rechargeable Battery: Yes
Supports Bluetooth Technology: Yes
Product dimension: 19.05 x 17.78 x 5.08 cm; 204.12 Grams
Item Weight: 204 g