BT1638 Over-Ear Wireless Headphones, Premium Padded Headband, Champagne USB-C Charging, Bluetooth Headphones? Long Endurance Flight of up to 40 Hours?Fashionable and Colorful (Silver) is up for auction in Electronics. The current bid is $4.00, 83% below the $22.99 MSRP, in Good Condition. This auction has ended — similar items appear in live auctions regularly.