Connect wirelessly to any Bluetooth enabled audio device and enjoy your favorite music, podcast or audiobook. It supports conference calls as well for easy, hands-free operation. Screw-on lid with a built-in, light-up, Bluetooth speaker which is complete with flashing LED lights to provide hours of on-the-go entertainment. Bluetooth working range is 10 meters (33 feet). Durable Tritan™ material. Shatter, stain, and odor resistant. Perfect opening for ice cubes. Wide mouth opening for easy cleaning and filling. Max 4 hrs operating time. Charging Time:3 hrs. IPX4 water resistant. BPA Free. 25oz