Features High Definition Bluetooth® 5.3 (Speaker) & 5.1 (Earbuds) Wireless Technology And Built-In Microphone With Volume Control. Simply Pair With Your Device To Enjoy Dynamic Stereo Sound Or Receive Hands-Free Calls. Works With Most Audio Devices. Hands-Free Design. Press Earbuds To Advance Through Selections And Answer/End Calls. Features USB-A To Type-C Input (Cord Included). Store Earbuds In Magnetic Charging Base. Output: 5 Volts/300mA. 1000 mAh Lithium Polymer Battery. Pairs From Up To 30 Feet Away. Up To 2 Hours Of Play Time. 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.