misc_stuff_f posted an answer for this Jabra BT650 Bluetooth Headset Halo:
"The battery is defective and incapable of holding a charge. It is not user replaceable...."
misc_stuff_f posted an answer for this Motorola Mobility H800 Wireless Headset:
"The battery is defective and incapable of holding a charge. Call 800-734-5870 for a..."