[Right Ear Version] Mini Wireless Invisible headphones, Smallest PChero Wireless Earphones Earbuds headset with Mic For Most Bluetooth Smartphones, Perfect for Using at Work Office - [Black] Communicate with your cell phone from a very long range (estimated at 30 - 40 ft) In built speech guidance (Power on, low battery, device connected, etc) Fits very tight into most ears (allowing exercise and movement) Very easy to charge (a small charge time can last for hours) Fun to use!