Woot offers Nakamichi Portable Bluetooth Cube Box Speaker for $9.99 (orig. $59.99). Free shipping for Prime Members.

Product Description:
Let the Nakamichi Cubebox shatter your expectations of how a small form factor can still bring big and powerful sound.
Great for when you are going light.

• IPX7 Waterproof
• Bluetooth 5.0
• 5W Output Power
• 1000mAh
• Suspended Passive radiator brings you a different bass experience