Used JBL J56BT Bluetooth 3.0 Wireless On-Ear Stereo Headphones, 20Hz-20kHz Frequency, 115dB at 30mW Maximum SPL, Built-In USB Rechargeable Battery, White

The JBL J56BT Bluetooth 3.0 Wireless On-Ear Stereo Headphones (White) feature 40mm drivers and a closed-back design and allow you to play back audio and take calls from your compatible Bluetooth devices. Their on-ear cup controls allow you to adjust volume, play and pause your music and answer calls. The headphones have a built-in rechargeable battery that provides up to 16 hours of use and can be powered by the included USB charger cable. Thanks to the included 3.5mm cable, you can use the J56BTs with wired systems for increased compatibility. When not in use, the headphones can be stored in the included carry case.

Swivel Ear Cup Design
The J56BT headphones come complete with built-in Bluetooth 3.0 connectivity, giving you the freedom of wireless connection. They have closed-back, pivoting ear cups that give you flexibility in use.

Outer Ear Cup Controls
The headphones feature volume controls on their outer ear cups, allowing for seamless, functionality while their USB-rechargeable battery supplies up to 16 hours of power.

40mm Drivers
Ear cup acoustics and 40mm drivers are at the heart of JBL PureBass performance, bringing you clear and accentuated bass.

Built-In Echo-Cancelling Microphone
Part of being flexible means being ready for any occasion. With its built-in microphone that offers echo-cancellation technology, your J56BT gives you the same sound quality in your conversations as it does in your music listening.