dkinez As long as the silicone seal is in place and the lid is closed correctly, then no this will not leak

dkinez Not for ice cream but for hot and cold liquids

dkinez Yes compatible with an S21 as long as you have a PD QC capable charging cable

dkinez The Umidigi Bison doesn’t have wireless charging so this will not work

dkinez Ao conectá-lo ou ligar o carro, ele detectará e exibirá a tensão por alguns segundos e, em seguida, mudará para a frequência que você pré-ajustou no visor.

dkinez If you google search the product name and instruction manual, the manuals dot plus website has it, unfortunately I can’t link it directly here

dkinez Only one mode

dkinez It’s not meant to be replaced however There’s videos on you tube on how to do it, you need to push it the screen side inwards and it will pop out on the thread side, the top screen will come out and it’s a battery like a Cr2032