Altec Lansing IMW375-RED Solo Jacket Bluetooth IPX67 Waterproof/Sandproof Speaker, Red Waterproof and sandproof makes it great for the outdoors! 6 Hour Battery Life - Built in rechargeable battery plays up to 6 hours without recharge. Hands-Free Speakerphone - Hear and be heard, loud and clear with voice recognition answer and decline calls; Bluetooth-enabled speaker delivers high-quality sound with no need for wires. Simplicity- Effortless Bluetooth and Stereo sync features let you pair one or two speakers together for ultimate stereo sound. Includes a USB charging cable, auxiliary cable, carrying pouch and carabiner clip.