Bluetooth Earphone,PEMOTech Smallest Noise Cancelling Wireless Invisible Sports Mini Bluetooth Earbuds Headset Support Hands-Free Calling iPhone X/8/8 Plus/7/7 Plus Samsung Galaxy Note 8/S8 [Ultra Mini Earphone] This innovative gadget is one of the smallest Bluetooth headsets that allow you to enjoy high definition music, receive calls with high clarity and carry it easily, and in style everywhere you go. Perfect for Stealth listening/watching at work and in-car calling.Compatible with iPhone 7/7 Plus/6/6 Plus/6s Samsung Galaxy S7 Note 5 4 / LG/ Sony / Blackberry / HTC most smartphone and most bluetooth device [Quality Sound]Built in HD and Sensitivity microphone. Idea for in car calling or working Office use.High quality silicon label is used in this earbud to reduce background noise.And Support A2DP , makes you can enjoy clear and natural sound when calling.Perfect for Stealth Listening or watching at work or in the Office. [Easy to Operate and Great Performance]Hands-free voice chatting, one button control.Just press and hold the button until the voice states"Ready to pair" or until you see the Blue & Red Light blinks alternately or Hear a beat, then you could connect it with your cellphone.This headset uses Bluetooth 4.0 technology that ensures lower power consumption,can connect to Two Devices simultaneously.the wireless range up to 10 meters. [Long Battery Life]Built-in 50mAh polymer battery. Up to 4 hours of continuous talk time, 3.5 hours of music time (base on music volume). Can connected with two smartphone at the same time, the wireless range up to 10 meters. [Great function for you]The earbud provides you voice reminders to keep you informed of the headset's status, when the Bluetooth of the device is pairing or connected. The speaking caller ID makes it very convenient to figure out who's calling, as it reads the caller's number, and eliminates the need to look at the mobile screen to figure out the caller.**Please note: Although there is only ONE earbud, it could fit both of your ears. Please check the third picture about how to wear it.