SAVE $40: The Soundcore Sport X10 workout headphones are on sale at Amazon and Best Buy for $39.99, down from the normal price of $79.99. That’s a 50% discount and the lowest price we’ve spotted at Amazon. $39.99 at Amazon $79.99 Save $40.00   $39.99 at Best Buy $79.99 Save $40.00   Not all headphones or earbuds are designed for taking to the gym. Some can’t handle getting wet, while others simply fall out unless you stay still. If you’ve been thinking about getting headphones that are worthy of bringing along to the gym or a pair that can handle a summer evening run, check out this deal. As of June 4, the Soundcore Sport X10 workout headphones are on sale at Amazon and Best Buy for $39.99, marked down from the normal price of $79.99. That’s a 50% discount that shaves $40 off the price. It’s the best price we’ve seen at Amazon. With an IPX7 waterproof rating and Soundcore’s Sweat Guard, the Sport X10 are a great option for summer workouts. The earbuds …