... ~5 m, it will make “beep, beep.." Sound to alarm the owner that his cell phone or ... m, start cell phone and search Bluetooth device until it get “A4” device, input pairing password “0000” to ... When incoming call is answered, the reminding beep sound will disappear.Anti theft and anti lost remindingAfter connection ... m, the alarm will make “beep, beep” sound to make audio alarm to remind owner that cell ...