EC Technology via Amazon offers its Sweat-proof Bluetooth 4.1 Sport Headphones for $17.99, but if you use the coupon code P7M2YNSQ the price drops to $5.99 Prime shipped. That’s $12 off the regular sale price and the lowest we’ve seen them listed at Amazon.
They feature Bluetooth 4.1, A2DP stereo music and AptX pure for clear stereo sound. They also have an internal battery that lasts up to 6 hours of talk/play time and 175 hours on standby. Rated 3.7/5 stars from 91 Amazon shoppers.