[Communication interface]：USB

[Operating frequency]：2.4GHz

[Bluetooth protocol]：BLE5.2

[Communication distance]：220m

[Product size]：60.0*18.0*8.5mm

[Product weight]：7.5g±0.1g

[Introduction]：EWM104-BT57UP is a BLE to USB adapter based on ble 5.2 protocol. It is small in size, low in power consumption, and works in the 2.4GHz frequency band. The BLE adapter module uses universal AT commands, which is simple and fast to operate. Bluetooth modules can be widely used in smart wearables, home automation, home security, personal health care, smart home appliances, accessories and remote controls, automobiles, lighting, industrial Internet, smart data collection, smart control and other fields.