The unit gives up to 6 hours talk time and 15 hours standby. The headset features a Smart Display with a battery status indicator, Bluetooth connection indicator and call indicator. The 3 button operation makes the headset simple and easy to use. Small in size but big on design and user friendliness - the Jabra BT4 1 offers crystal clear sound. With auto-pairing and instant connections, the BT4 1 can be up and running within a matter of seconds.