new invisible earpiece with 4.5 watt gsm box card

Available from these sellers. This new GSM Box ID Credit Card Neckloop Kit is the best and most hidden design GSM Box kit in the world with its high volume long distance 4.5W amplifier. Its total size is only 4.5mm - as small as a credit card. This newly developed GSM BOX model has a built-in dual band GSM module that works in 2 out of 4 band mobile phone networks. It provides two-way covert communication via mobile phone networks. Once a GSM SIM card is inserted and the power is turned on, it will automatically pick-up calls from any mobile phone or desk phone. The powerful inductive coil creates strong signals delivered to the earpiece within 60-80cm distance. It features a 35db top sensitive microphone that ensures your partner will hear even when whispering, while the GSM BOX is hidden under the clothes. The GSM BOX has a built-in rechargeable 650mAh battery which supports more than 3 hours of talking time, or 48 hours in standby. Size: 85*50*4.5 mm. Weight: 30g. Please specify a requested card design, otherwise a default design will be shipped.