Normally the long distance of bluetooth key finder is around 10-20 meters , firstly download Isearching or other APP in your mobile phone , turn on bluetooth key finder for pushing button 3 seconds, then connected and alert , the bluetooth key finder will larm with loud sound which is quite helpful for find lost items .
For more information, you can reach us via following contact:
info@getsmartcard.cn
Whatsapp : +8615875693036
www.getsmartcard.net
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