Suggested Retail:$178. Sony Noise Cancelling Headphones WR710N: Wireless Bluetooth Over the Ear Headset with Mic for Phone-Call, Black. 7.84 x 2.09 x 9.02 inches. . Cancel out the world with the long-lasting noise cancellation performance of the WH-CH710N wireless headphones Dual Noise Sensor technology automatically senses your environment to deliver an amazing sound experience With up to 35 hours of battery life quick charging and access to your smartphone’s voice assistant the WH-CH710N are sure to be a must-have for your travels.. 7 DAY FULL REFUND GUARANTEE ON THIS ITEM IF ANY ISSUE IS FOUND THAT WAS NOT DESCRIBED/PICTURED. 7 DAY STORAGE IS ALSO AVAILABLE. SEE NOTES TO BIDDER, IN AUCTION DETAILS, AT THE TOP OF PAGE 1 FOR MORE INFO.