Wireless Data Rates: 2.4GHz AX: 4x4 (Tx/Rx) 1024 QAM 20/40MHz, up to 1148Mbps
5G-1Hz AX: 4x4 (Tx/Rx) 1024 QAM 20/40/80/160MHz, up to 4804Mbps
5G-2Hz AX: 4x4 (Tx/Rx) 1024 QAM 20/40/80/160MHz, up to 4804Mbps
Wireless Data Rates: This Bluetooth dongle is equipped with Bluetooth 5.4 + EDR, Improves the stability of the connection, Gets faster data transfer speeds of up to 3 Mbps, which is double what Bluetooth 4.2 supports
Battery: Each wireless earbud can play for 8H per a full charge.
Operating Time: Combined with the case, when using two ear buds together,you can enjoy 48H playback.When using one earbud each time, you can enjoy up to 90h playback.