Jialebi via Amazon offers its Jialebi Bluetooth Wireless Earphones for $49.99. Coupon code "YF5G5EHM" cuts that to $29.99. With free shipping, that's $20 off and the best price we could find, although we saw them for a buck less last month. They feature Bluetooth 4.2 and an 800mAh charging case. Deal ends August 31.