GSM BOX with Spy electronic earpiece – Complete set.
Multiple variants are available depending upon the battery backup and transmission MIC sensitivity level.
Working –
The device works under GSM technology and having auto call receiving function and also having a standby feature. The maximum distance between the earpiece and the GSM box is approximately 60 CM.
The User needs to clean his or her ear for perfect fitting of the earpiece and also for better hearing.
