Durable Tritan� Material. Impact And Shatter Resistant. Smooth Rubberized Finish. Screw On, Spill-Resistant Lid. Wireless Earbuds In Lid. Wide Mouth Opening. Lids Packed Separately and Unassembled. Meets FDA Requirements. BPA Free. Spot Clean Lid. Features High Definition Bluetooth� 4.1 Wireless Technology And Built-In Microphone. Simply Pair Your Handheld Device To Enjoy Dynamic Stereo Sound Or Receive Hands-Free Calls. Interchangeable Earbud Covers. Earbuds Include 55 mAh Battery. Pairs From Up To 30 Feet Away. Up To 3 Hours Of Play Time. Store Earbuds In Lid�s Magnetic Charging Cradle. LED Indicator Lights. Features A USB Output And Micro USB Input (Cord Included). Works With Most Smart Phones And Audio Devices. 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.