Woot! is offering these 1 Voice Z99 Bluetooth Headphones for just $19.99 plus free shipping for Prime members. Originally priced at $99, this is an amazing deal on these over-the-ear headphones that provide up to 5 hours of playtime on a single charge. They also have a Bluetooth range of 33-feet. There are several color options to choose from: black/gray, black/gold, rose gold, and silver.