Tomato Store via Amazon offers the Picun H2 Bluetooth Headphones in several colors (Black pictured) for $21.98. Coupon code "6YK95GGX" cuts that to $9.89. With free shipping for Prime members, that's the lowest price we could find by $6. They feature a 20Hz to 20kHz frequency response, silicone earbuds, in-line controls and mic, and IPX4 waterproof design. Deal ends January 31.