Single walled bottle - Screw on two-toned PP lid with built-in carry handle - Wirelessly connect to most Bluetooth devices - The bottom twists off and includes a 3 watt wireless speaker - 4.2 wireless technology - Touch controls for speaker are on the bottom - Listen to music on-the-go and stay hydrated - Holds up to 500 ml. (17 oz.) - Use as a speakerphone for hands-free calling - Charge voltage: 5V - Wireless range: up to 10 metres (33 feet) - Rechargeable 300 mAH Lithium-ion battery - Suppor. 10" H x 2.75" Diameter. Price includes a one colour/one position imprint. Imprint Area is 3" H x 2.5" W on Front centered. Call for multi-colour or multi-position imprints plus the availability of rush delivery.