Update [3/17]: Sold out at Amazon, but still at Best Buy. 

Amazon has the Jabra Elite 3 In-Ear True Wireless Bluetooth Earbuds (Dark Grey, 100-91410000-02 or Light Beige, 100-91410003-02) on sale for $40 with free shipping. Also at Best Buy. 

7 hours battery life (28 hours with charging case), Alexa / Spotify / Google Fast, 4 microphones.