Spy GSM bluetooth necklare earpiece 2 in 1 - powerful GSM box neckloop micro invisible spy earpiece,3rd generation GSM bluetooth spy earpiece kit

Description

Features: Built in GSM and Bluetooth two in one,only can use GSM either or Bluuetooth function,it do not support working simultaneously. Two way covert communication via mobile phone networks for GSM and bluetooth IMEI Unique for GSM,No problem in any country( it can be modified the IMEI number according your requirement) Optimized inductive coil creates strong power for earpiece Can support Works with Micro Nano earpeice Built-in top sensitive 38dB microphone to pick up whisper voice Built-in inductor, transfer range up to 30CM with clear voice Size: 55 x 38 x 15mm(L x W x H) Weight: only 30 grams Specifications: GSM Parameters: GSM Bands: 850/900/1800/1900MHz Max transfer power: GSM900 Class4 2w,DSC1800 Class1 1W Sensitive: -102dBm Battery: 600mAh Working time: 3-4 hours(For GSM and Bluetooth) Standby time: 6 hours(For GSM and Bluetooth) Volume: 3 level adjustable Working temperature: -25 degree - + 70 degree Voltage: 3.4-4.5V Current: 200MA Standby current: 1MA Bluetooth Parameters: Bluetooth Version V4.1+EDR Charging Time: Within 2h Transmission Distance: 8m Talking Time: 3-4 hours(For GSM and Bluetooth) Standby time: 6 hours(For GSM and Bluetooth) Operating voltage: 5V Package List: 1 * GSM bluetooth neckloop set 1 * Earpiece 2 * Battery 337