I don’t have the charging cable and therefore cannot charge/test the earpiece, but it appears to have minimal use.

Enhance your cell phone experience with this Jawbone Headset and Charger. The ear-hook design ensures a comfortable and secure fit for your earbud. The built-in microphone allows you to take calls without any interruptions. The noise cancellation feature enables you to enjoy your music or calls in peace without any external distractions. This headset is perfect for anyone who values convenience and style. The Bluetooth connectivity technology ensures that you can easily connect your headset to your phone without any cords getting in the way. This headset is available in sleek black color and is compatible with various models of cell phones.