Feature: l Portable and easy to storage, convenient for your to charge headset anywhere l The case has internal battery can recharge the headset up to 14 hours of additional talk time (up to 21 total hours of talk time) when fully charged. l Allows you to recharge the headset with any micro USB charge cable l Help you store and charge the headset at the same time. l A perfect accessory for storing, protecting, and recharging your headset Specification: l Color: Black l Size: 106.91x 61.21x 23.6mm l With 450MAH lithium battery l Compatible with: Plantronics Voyager Legend, Plantronics Voyager headset Package: l 1x Charging Case l 1x Cable Note: l Case Only. Headset is not included.