PRODUCT GRADING Refurbished Pristine Condition - A premium product which has light signs of use and is in excellent working order. It is fully functional and has been professionally refurbished, inspected, tested and cleaned to pristine condition. The outer original packaging may bear some damage or be repackaged in a Brown Box. WHAT IS IN THE BOX Sony WF-1000XM4 True Wireless Noise Cancelling Headphones  PRODUCT DESCRIPTION Try out the Sony WF-1000XM4 True Wireless Headphones in silver for a superior listening experience. Enjoy powerful sound and active noise-cancellation from the industry-leading dual-noise sensor. Get up to 8 hours of battery life with the charging case for on-the-go listening. PRODUCT INFORMATION Brand - Sony Connections - Bluetooth Connectivity type - Bluetooth Dimensions - Packaged: H6.5 x W12 x D14.2cm Folding - Fixed Headphone type - In-Ear Microphone remote - NO Model name / number - WF-1000XM4 NFC enabled - No Noise cancelling - YES Noise reduction - YES Playback controls - Inline Power supply - Rechargeable Battery Sound features - Microphone, Noise Cancelling, Sports Technology accessory type - Headphones Weight - 14.6g Wi-fi enabled - YES Wired or wireless - Wireless