Redmi Buds 6 comes with 37mAh earbuds, 475mAh case, a battery life of 6h for earbud and 30h with case, USB-C, BT 5.4, 10m range. Charges: earbuds 90min, case 120min.
Xiaomi Sound Outdoor comes with 1×20W output & 1×10W output with frequency range of 60Hz-20KHz and ≥80dB SNR. It comes with BT 5.4, 25m range, IP67, 12h playtime at 50% vol and 2600mAh battery.