Digi-life via Amazon offers the LBell Bluetooth Earbud Headphones in Black for $22.94. Coupon code "LBELGL06" drops it to $19.96. Plus, Prime members get free shipping. That's $3 off and the lowest price we could find. They feature an IPX7 waterproof rating, microphone, and up to 12 hours of playback. Deal ends January 31.