Bluetooth-enabled, universally compatible headset features separate buttons for volume, power on/off, and call answer/end. Ergonomically designed swivel earloop and contoured eartip provide a comfortable, stable fit. Digital Signal Processing (DSP) reduces noise, wind and echo. Long-lasting battery provides up to five hours of talk time and seven days of standby time on a single charge. Bluetooth-enabled headset's convenient on-off slide switch saves your battery between calls.