Customized Tumblers & Travel Mugs, Tumbler with Wireless Speaker - 20 oz - Vacuum Insulated, Take this tumbler and your tunes with you anywhere. Perfect for picnics, the beach, and any outdoor activity, the tumbler is sweatproof and great for hot or cold beverages. The speaker has a range of 32 feet in an obstacle-free space. Double-wall vacuum insulation Push-on, spill-resistant lid with slider opening Wireless speaker at the bottom of tumbler Sweatproof 20 oz capacity when filled to rim, 18 oz capacity with lid on Micro USB cable included to charge the bluetooth speaker Full charge in 1.5 hours and playback over 2.5 hours Battery capacity is 500mA Wireless range of ~16 ft in obstacle space, ~32 feet in barrier free space User manual included ... #46309 $40.42/each.