Nano Bluetooth earphone with pen (New) : Pen + Nano Earphone - A SIM card is added to the pen to receive calls (and it answers automatically). The caller can hear you through a microphone located in the pen. Works for 2 to 3 continuous hours. The earphone is very small and invisible. 4 batteries size 337 AUX cable + Nano Earphone Works on any phone that supports an AUX port, and you can add a piece that supports Apple devices. The cable is worn as a hidden necklace only, and you connect the cable to the phone. You can make and receive calls from the phone or from Snapchat, any application, like regular AirPods, but hidden and completely invisible. Works for 3 to 4 continuous hours on batteries size 337. Comes with 4 free batteries. Shipping available to all regions. Discount available for ordering more than two pieces or for repeat orders. I am not responsible for misuse. Nano earphones Earphone Nano earphone Nano pen (The phone number appears when you press the contact button) ( Phone number appears when clicking the contact button )