Features
Mini Pen Holder Shape
Latest Super Sensitive SIM Audio Surveilance
Super-sensitive audio surveillance
Embed four condense microphone
12 hours non-stop power supply

Specification
Frequency: Quadband,support GSM 900MHZ,1800MHZ
Power Supply: 12 hours Non-stop
Card Compatible: GSM SIM Card
Microphone Range (Meter): 5~7(Radius), 4 levels
Receive Sensitivity: -+10K
Working Temp: -40~50'C
Responding Frequency: 1.2K~800Khz
Stand-by Time:10 days (Full charge)
Working Time: 4 hours continuous Monitor voice

Package Contains
1 x Pen Holder Ear Bug
1 x USB Cable
1 x User Manual