iKross Bluetooth Handsfree Echo Cancellation Headset for Samsung Galaxy Note Edge/Note 4, Galaxy S5 SV Ergonomically behind-the-ear style offers all-day comfort. Echo cancellation for enhanced voice clarity. On ear controls let you manage calls and volume all from the headset. Monitor headset battery level on your iPhone or iOS devices. Up to 5 hours of talk time and 180 hours of standby time.