They feature a streamlined design forfort on the go, a lid to help prevent spills, and insulated materials that seal the temperature. Both stainless steel tumblers with straws and tumblers with lids can keep your drink warm for up to 6 hours, and keep drinks cold for up to 24.Built-in FM radio Plug-in style mini speaker supports TF/SD card Compatible with table PCs, Smart phones and various kinds of Bluetooth-enabled devices,, FM, Micro SD Card Slot, AUX Mode, Memory Card, USB, Super bass splash proof wireless Bluetooth speaker, Mini Bluetooth speaker has unique design and miniature size,you can carry it when you ...Jun 09, 2020 · The COWIN-Swimmer Waterproof Bluetooth Speaker is designed for use in a pool, with an IPX7 rating, meaning it’s waterproof, dustproof, and more. Featuring a 10-watt speaker plus deep bass and a colorful LED light, listening to your favorite music while enjoying a swim has never been so much fun.Insulation Bag. $6.98. +1. 30g Hand-ground Ceramic Grinding Core Stainless Steel Coffee Grinder. $17.50. +1. Multifunctional Hand Roller Rotary Vegetable Cutter. $36.44. +1.