Poly (Plantronics + Polycom) Plantronics BackBeat GO 600 Noise-Isolating Headphones, Over-The-Ear Bluetooth Headphones, Grey

* LONG LASTING BATTERY: Bluetooth headset has a rechargeable battery that lets you listen longer with up to 18 hours of power on a single charge. * AUDIO QUALITY: Plantronics signature audio delivers rich, balanced sound whether you’re listening to music, watching movies or taking a call from your wireless headphones. * COMFORTABLE: Over ear headphones are designed with noise-isolating earcups that fit comfortably for deep, rich sound with minimal distraction. * BASS: Wireless headset has adjustable EQ settings that allow you to choose between two modes of premium sound: bass boost or balanced. * WIRELESS FREEDOM: Bluetooth headset is complete with a wireless range of up to 33 ft /10 m, giving you the freedom to stream from Bluetooth-compatible smartphones and tablets.