ArticFire 16oz Stainless Steel Tumbler with Wireless Bluetooth Speaker Base & Bottle Opener Cap

This 16oz stainless steel tumbler features a waterproof wireless Bluetooth speaker at the bottom and a bottle opener built into the cap. The double-wall insulation maintains beverage temperatures, while the Bluetooth 5.3 speaker delivers clear sound for music on the go. Both the speaker base and bottle are waterproof, making it ideal for outdoor use. The cap functions as a bottle opener, adding convenience for travel, camping, and parties. Customizable with logos for promotional branding. Weight: 799g. Accessory: Micro USB charging cable. Certification: MSDS. Specifications: • Speaker: Wireless Bluetooth 5.3 speaker at the bottom • Speaker Power: 3W, 4 • Battery: 500mAh, 3.7V • Playback Time: ~3 hours • Charging Port: Micro USB