Lightweight 23g clip-on headphones, model RP-HZ47-R, featuring a 30mm driver for high-quality sound. I tried them once after purchasing, but I don't think I'll be able to use them effectively, so I'm putting them up for sale. - Brand: Panasonic - Model Name: RP-HZ47-R - Type: Clip-on headphones - Driver Diameter: 30mm - Weight: 23g - Cord Length: Approximately 1.0m - Speaker Construction: Sealed Thank you for looking.