The company has apparently dropped the '4' moniker, which isn't surprising as the number 4 is considered unlucky in China. realme buds air 5 proThe earbuds battery has a model number of 122540 and the charging case has a battery model number of 751536. The Bluetooth frequency range of the earbuds is 2402Hz and 2480Hz. The Realme TWS earbuds pack a 60mAh battery, while the carry case houses a 460mAh unit....