2. This kit Spy Ear light-weight gadget produces
an adjustable gain on sounds picked up from
the built-in high-sensitivity condenser
microphone. So you can hear what you have
been missing. A small signal amplifier is built
around transistor BC547 and the related
components amplify the sound signals picked
up by the condenser microphone (MIC).
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www. Kitsguru.com
3. Sold Kits to over 20,000+ Students
Reach across 10+ States
Over 10000+ Kits sold throughout India
Over 5,000 students join training programs every month.
Uniquely built training content for exams and job interviews
Accreditations & Approvals from leading bodies.