Groupon offers the Ontek Wireless Bluetooth 4.1 Earbuds in Turquoise, Pink, or Black for $9.97 with free shipping. That's $30 off, $4 under our January mention, and a very low price for any such Bluetooth 4.1 earbuds. They feature Bluetooth 4.1, 4.5-hour rechargeable battery, and 30-foot wireless range.