EARTEC 3.7V Rechargeable Lithium Ion Battery for HUB Ultralite Headset auspowers_batchfour 15sizes in total

15sizes in total

and round air vents

Angle Adjustment Range 0-180 °

Made of highly polished

EARTEC 3.7V Rechargeable Lithium Ion Battery for HUB Ultralite Headset auspowers_batchfour 15sizes in totalEARTEC 3. 7V Rechargeable Lithium Ion Battery for HUB Ultralite Headset Since UltraLITE headsets feature self contained, "All in One" design all electronics, even the battery, is installed in the headset plastics. The batteries are lightweight and about the size of a book of matches. They charge in about 3 hours, run for 6 hours and can be changed out in seconds. Since they are Li ion, the batteries do not have to be "drained" after each use and will