4G bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 27, 28, 29, 30, 34, 38, 39, 40, 41 1, 3, 5, 7, 8, 20, 38, 40, 41 ...

The specs are base on rumors, this product is not launched yet. The Xiaomi Mi Airdots 2S offers a long operating range with lesser impact from Wi-Fi signals over previous Bluetooth versions.