Expected to ship in mid-March, JBL's Synchros S400BT ($300) is a premium pair of Bluetooth wireless headphones. Shipping along with a carrying case, audio cable, and charging cable, these over-ear cans are extremely comfortable thanks to the large round pads and adjustable headband. Once connected to your device, it offers the expected music streaming, along with call answering capabilities. Hidden touch-sensitive controls on the left earcup allow…
