Description:Stylish 700ml double wall, vacuum insulated stainless steel bottle with a powder coated matt finish. It will keep drinks cold for 24 hours or hot for up to 12 hours. The bottle has a secure screw on lid with a soft-touch carry handle and a built-in water-resistant Bluetooth speaker which produces high quality sound. It will play music for approximately two hours and can be recharged from a USB port or a mains adapter. This premium bottle is presented in a black gift box with an instruction leaflet and a Micro-B USB cable. It is BPA-free and laser engraves to a shiny steel finish. This product is not dishwasher safe and handwashing is recommended.