A:AnswerHello Tommy- Here is the link to buy a replacement charging case for the Jabra Elite 3: https://www.jabra.com/accessories/jabra-elite-3-charging-case##100-68906002-00.
A:AnswerCold weather will impact battery life as lithium batteries are used in TWS..however Bluetooth and the physical bud itself it completely unaffected. At -20 Celsius, I am not sure there is much data at that extreme temp. Here is a good page for info.
https://www.litheadphones.com/is-cold-weather-bad-for-wireless-headphones/
A:AnswerI've noticed with my S20 that sometimes the Bluetooth will connect for calls but not for audio. Check in your Bluetooth settings. You might have to put them back in the case and get them back out and let them reconnect