As one of its daily doorbusters, Best Buy offers the Logitech Ultimate Ears Megaboom Bluetooth Speaker in Electric Blue for $109.99 with free shipping. That's $10 under yesterday's mention of another color and tied as the best deal we've seen. (It's the lowest price now by $10.) Deal ends today. Features include:

IPX7-certified waterproof

up to 20 hours of playtime per charge

up to 100-foot Bluetooth range

360° sound

Orders placed today by 10:30 am CT are expected to arrive in time for Christmas. (Any later, and availability will depend on your location — click here for a full guide.)