500ml capacity bottle with built-in bluetooth speaker. Body in heat-resistant (70º) and BPA-free tritan material in transparent color, with safety screw-on cap and built-in handle. 3W power bluetooth docking speaker base with hands-free function and micro SD card slot up to 32GB. Compatible with iOS and Android, includes mini USB charging cable, has non-slip base and comes in an attractive design box. Size: x 25.5 x cm | Weight: 6.9gr