GSM Wireless Mini Earpiece Automatic Phone Connection Portable Invisible GSM Spy Earphone

Feature: 1. COMPACT AND PORTABLE: GSM spy earphone is so small and loud that outsiders can"t tell you"re wearing this A808 headset for covert communication. 2. AUTOMATIC CALL CONNECTION: GSM invisible mini earpiece automatically connects calls and then transmits the call sound to the A808 headset in real time. 3. USES CELL PHONE SIGNAL: GSM mini spy earphone uses a cell phone signal, so you can talk like you"re answering a call anywhere there"s a cell phone signal. 4. MINI WIRELESS INDUCTION RECEIVER: GSM wireless mini earpiece is a miniature mini wireless induction receiver that converts sound signals by electromagnetic induction. 5. WIDELY USED: Widely used in many sectors, you can hear the voice of the person from the other side and the person on the other side can hear you. Specification: Item Type: GSM Wireless Mini Earpiece Material: ABS A808 Headphones: Length: Approx. 12mm/0.5in, Width: Approx. 7mm/0.3in Applicable Battery: 1 x 337 (SR416SW) 15mAh Button Cell (With 2 x Matching Battery) Always Working Time: 6 Hours A808 To GSM Module Distance: Approx. 40cm/15.7in GSM Module: Length: Approx. 4.5cm/1.8in, Width: Approx. 3cm/1.2in, Height: Approx. 1.1cm/0.4in Polymer Battery: 1 x 650mah Lithium Battery (Built In) Frequency Band: GSM 2G (900/1800MHz). Package List: 1 x GSM Module1 x Headset2 x Battery1 x Earphone Storage Box1 x Storage Box Note: Please allow some error due to manual measurement.