Plantronics UP370SL Bluetooth Headset Ruggedized mono Bluetooth headset that's water- and dust-resistant for outdoor work and play Easily connects to Bluetooth phones with QuickPair technology Contoured eartip for enhanced sound experience; comfortable, slim earloop for wearing on either ear Sporty lanyard holds your headset for convenient access Up to 7 hours of talk time, up to 200 hours of standby time