Product Name：Holyiot-22039 Keychain Tag

Brand: Holyiot
Model: 22039 Keychain Tag
Color: white
Size: 38*24.5*2.5mm
Chip: Nordic nRF52810
Sensor: Acceleration sensor
Communication Distance: 0-50m
Antenna: PCB Antenna
Power Supply: CR2032 (replaceable)
Multi Protocol: BLE5.0, 2.4G
Program: Holyiot-Beacon
Application: Indoor positioning, Electronic fence