Patients or hospital staff can use them to get precise on-time information displayed along with a buzzer or beep.

Bluetooth 5.0
Power Input Rechargable LiPo Battery
Dimensions & Weight 9.2cm X 5.5cm X 1cm and 44gm
Charging Port 4 Pin PoGo
Operating Temperatures - 30 C / + 70 C
Sterilization E20, Gamma, Plasma
Sensor Accelerometer, RFID 125KHz
Communication Two way
Alert Sound & Vibration
Battery Life 3 Months
Standby 6 Months