The sporty looking JX20 also utilizes a new power feature: it can be turned on or off by simply twisting the collar of the ear-bud (with or without the optional ear loop being attached). This is far more convenient than the traditional method of holding down a multi-function button for a few seconds, and makes it simple to see the headset's power state with just a quick glance. Up To 6 hours talk time and 200 hours standby time.