Brand Name: RSH Battery Included: Yes Origin: Mainland China High-concerned chemical: None Compatibility: Android Certification: CE Certification: FCC Certification: RoHS Battery in: CR2032 240MAH (replaceable) Standby current: ≤ 5uA/battery life of 8 months Bluetooth distance: 40m (open line of sight) Buzzer sound: 80db (at 10cm range) App supported: Google Find Device System for phones: Android 9.0 and above APP: Google's Find Hub App Country / 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 on Choice: yes