Losei Direct via Amazon offers the Losei Bluetooth 4.2 Wireless Earbuds in White or Black for $39.99. Coupon code "V8G43E8R" cuts the price to $29.99. With free shipping, that's $10 off list and the lowest price we could find. They feature a built-in mic, a 500 mAh battery charging case, and wide compatibility. Deal ends July 31.