Bluetooth chip 5.3 was invented that year

Bluetooth chip 5.3 was invented in 2020. This is because in 2020, a major breakthrough in Bluetooth chip technology occurred, making Bluetooth chip 5.3 more capable of supporting high-performance real-time data transmission. In addition, Bluetooth chip 5.3 is more capable of improving the security of devices, increasing the durability of devices, and supporting connectivity between more devices.