Brand Name: RSHBattery Included: YesOrigin: Mainland ChinaHigh-concerned chemical: NoneCompatibility: AndroidCertification: CECertification: FCCCertification: RoHSBattery in: CR2032 240MAH (replaceable)Standby current: ≤ 5uA/battery life of 8 monthsBluetooth distance: 40m (open line of sight)Buzzer sound: 80db (at 10cm range)App supported: Google Find DeviceSystem for phones: Android 9.0 and aboveAPP: Google's Find Hub AppCountry / Region has services Restricted by Google LCC can not use the tracker: Such as Russia ,China ,North Korea, Iran ,Cuba ,Crimea ,Syria , Central Asian countries ,Pakistan ,and so onChoice: yes