Ashdown Meters - No wires, yet no loss of sound. Meters OV-1B Bluetooth automatic noise cancelling headphones are now available to pre-order. https://metersmusic.com/collections/ov-1-wireless-headphones/products/meters-ov-1b-rose-gold | Facebook
Meters OV-1-B-Connect headphone review – Know how loud your music is - The Gadgeteer