Walmart offers the BriteLite iDance 50-watt Portable Bluetooth Speaker in Black for $24 with free shipping. That's $15 under our mention from June, the best deal now by $25, and the lowest price we've seen. This 50-watt rechargeable Bluetooth speaker features a battery life up to 8 hours, USB charger port, LCD display, two microphone inputs, and one guitar input.