Ebay offers Altec Lansing HydraMini 2.0 Bluetooth Speaker for $10.99 (reg $29.99) with free shipping.

Product Description:
The Altec Lansing HydraMini 2.0 EverythingProof portable bluetooth speaker is equipped with versatile features that will prepare you for every adventure! Up to a 12-hour battery life, included speaker mount, carabineer clip and built-in magnet allows you to take your music anywhere. Stereo pair two HydraMini 2.0 speakers together via true wireless pairing for double the sound! The HydraMini 2.0 is the perfect, pocket-sized portable fun you look for in a waterproof bluetooth speaker!

• Dimensions (Overall): 3.1 Inches (H) x 5.6 Inches (W) x 1.6 Inches (D)
• Weight: .7 Pounds
• Estimated Charge Time: 3 Hours
• Electronics Features: Outdoor Use, USB Chargeable, Audio Streaming, Docking Station, Shockproof, Wireless, Rechargeable Battery, Waterproof, Bluetooth
• Connection Type: No Wired Connection Ports
• Operating System Compatibility: Apple iOS, Android
• Wireless Technology: Bluetooth
• IP rating: IP67
• Maximum Battery Charge Life: 12 Hours
• Battery: 1 Non-Universal Lithium Ion, Required, Included