Bluetooth Headset,X-LIVE Mini Wireless Earbuds 5V 2.1A USB Car Charger Bluetooth Earpiece Hands-free Bluetooth Earphones with Mic.(Black) CSR SOLUTION:Noise cancellation with CVC 6.0 technology 2IN1 FUNTIONS:Small bluetooth headsets combines with 5V 2.1A fast charging with USB port (Type A). It has a USB port on the devise,so you can use the USB Slot to charge your phone at parallel or to charge other devise. SAFE DRIVING: Get the bluetooth headset from the Car charger docking , it will answer the incoming call automatically, and put it back to the docking to hang up. No need to press any key for easy use and safe driving. GREAT COMPATIBILITY: Free access to most Bluetooth devices, such as smart phones,iPhone 6s Plus / 6s, iPhone 6 Plus / 6, iPhone 5s / 5, iPhone 4s /4 , Samsung Galaxy S6 Edge Plus / S6 Edge / S6 / S5, Note 5/ 4 /3 /2, HTC A9 / M9 / M8 / M7 ; Google Nexus 6P, Samsung Tablets,iPad Air / iPad Mini etc. SERVICE & WARRANTY : One-year warranty.Please feel free to contact us if any query.