Amazon.com: Denon AH-GC30 Premium Wireless Noise-Cancelling Headphones - Hi-Res Audio Quality | Up to 20 hours of Bluetooth and Noise Cancelling | Designed for Comfort | Battery-saving Auto-Standby Mode | Black :
Denon Wireless Headphone Ah-gc25w White AHGC25WWTEM 4951035067581 Japan for sale online | eBay
Amazon.com: Denon AH-GC30 Premium Wireless Noise-Cancelling Headphones - Hi-Res Audio Quality | Up to 20 hours of Bluetooth and Noise Cancelling | Designed for Comfort | Battery-saving Auto-Standby Mode | Black :