Sony SRS-XB23 EXTRA BASS Wireless Bluetooth Portable Speaker. Black Version.

Features:
- Waterproof, rustproof, dustproof and shockproof IP67 design for worry-free usage
- Power through any playlist with up to 12 hours of battery life
- Compact, lightweight, highly portable design
- Get things booming with Party Connect and sync up to 100 speakers
- X-Balanced Speaker Unit enhances sound quality and power
- The speakerphone function offers a convenient way to talk hands-free, whether it’s a conference call for work or a chat with friends