Features High Definition Bluetooth® 4.2 Wireless Technology And Built-In Microphone With Volume Control | Simply Pair With Your Device To Enjoy Dynamic Stereo Sound Or Receive Hands-Free Calls | LED Indicator Lights | Works With Most Audio Devices | Hands-Free Design | Press Earbuds To Advance Through Selections And Answer/End Calls | Store Earbuds In Magnetic Charging Base | Features A Micro USB (Cord Included) | Pairs From Up To 30 Feet Away | The Bluetooth® word mark and logos are registered trademarks owned by the Bluetooth SIG, Inc. and any use of such marks by Hit Promotional Products®, Inc. is under license. Other trademarks and trade names are those of their respective owners