GearBest offers the Xiaomi Bluetooth 4.1 Waterproof Sport Earbuds in Black for $27.99. Coupon code "XMWV" cuts it to $25.99. Even better, free shipping applies. They feature a waterproof rating of IPX-4, earhooks, built-in mic, and seven hours of music playback. Deal ends April 4.

Note: This item ships from mainland China and may take three to four weeks to arrive.