MobileCityOnline via Amazon offers the Jarv Pure Fit Bluetooth Earbuds in Black, Blue, or Red for $39.99. Coupon code "LYD7J57P" drops it to $19.99. With free shipping, that's $8 under our November mention and the lowest total price we've seen. (It's the best now by $9.) These headphones weigh less than 1 oz. and feature on-board controls and can be used for more than six hours on a single battery charge. Deal ends February 23.