Exactly. Actually, the Amazefit Bip can go even much longer (six weeks) if you don't use GPS daily and as a benefit, fully FLOSS (unofficial) companion app Ga

Exactly. Actually, the Amazefit Bip can go even much longer (six weeks) if you don't use GPS daily and as a benefit, fully FLOSS (unofficial) companion app Gadgetbridge ( http://gadgetbridge.org/ http://gadgetbridge.org/ )