Model Number: A2(circular)
Support SW/FW：iOS14.5/iPhone SE iPhone6S & above
Buzzer Spec：GLS9032
BT distance：50m
Battery Size：210mAh / CR2032
Battery Spec：3.0 V buttonlithium-MnO2 Cell
Battery Standby Time：Approx 9-12months
Replaceable battery : YES
Location distance: No Limited
IP standard: water-resistant
Product size: 35mm*36mm*9mm
Product Weight: 7.5g
