For a unique giveaway that'll be music to your customers' ears, look no further than this 11 oz. stainless steel Rumble bottle with speaker! This handy bottle measures 10" and features a stainless steel inner and outer shell. It has a screw-on, spill-resistant lid with easy carry handle and a wide-mouth opening, as well as a wireless speaker with high-definition Bluetooth 4.0 technology. It comes with a micro-USB input (cord included) and a 300 mAh polymer battery, and it pairs from up to 30 feet away. FDA approved and BPA free. Hand wash recommended (remove speaker base prior to washing). Customize with an imprint of your company logo and message for maximum brand exposure.