Yamaha YH-E700ABL Wireless Noise-Cancelling Headphones BlackDescriptionActively adapting audio to you and your environment, theYH-E700A Noise-Canceling Wireless Over-Ear HeadphonesfromYamahafeatures both Listening Optimizer and Listening Care technologies. Listening Optimizer uses microphones to monitor the acoustics around your ear every 20 seconds, then adjusts in real time to optimize playback. Listening Care monitors audio content and background noise, optimizing your sound to deliver full-range, dynamic sound, even at lower volume levels. The YH-E700A plays back your enhanced audio through large earcups and 40mm dynamic drivers. The earcups provide significant passive noise isolation, but you can also benefit from active noise-cancelation technology. ANC uses microphones to neutralize distracting ambient sounds, so you're left with only your favorite music. They have up to 35 hours of battery life for multiday use, and built-in controls let you manage audio and hands-free calls, and activate your device's digital assistanteither Siri or Google Assistant.Features40mm Dynamic DriversUp to 35 Hours of Power with ANC OnActive Noise CancelationFolding and swiveling earcupsUp to 35 Hours of Power with ANC OnReal-Time Audio Optimization Ambient Sound This feature lets ambient sound back in, so you can hear announcements or have a quick chat whithout taking off the headphones. Hands-Free Calling A built-in microphone lets you speak voice commands to your digital assistant software and make hands-free calls when paired with a Bluetooth-compatible smartphone. Listen: Wired or Wireless If you're running low on battery power with no time to recharge or need to listen to a non-wireless device, simply plug in the included audio cable. Specifications Headphone Earpiece Design Over-Ear (Circumaural), Closed-Back Earpiece Swivel Yes Earpiece Connection / Wearing Style Headband Foldable Yes Driver Type Dynamic Driver Size 1.6" / 40mm Active Noise Cancellation Yes Controls/Microphone Location Controls: Earpiece (Side Unspecified) Microphone: Earpiece (Side Unspecified) Full Remote OS Support Android, iOS Performance Frequency Response 8 Hz to 40 kHz (Wireless) Microphone Noise Canceling Not Specified by Manufacturer Wireless Connectivity Supported Audio Codecs AAC, SBC, aptX Bluetooth 5.0 NFC No Wired Connectivity Audio Connector to Source 1 x1/8" / 3.5 mm Audio Connector to Earpiece 1 xUSB Type-C Battery Runtime 35 Hours (BT+ANC) Recharge Time 3.5 Hours Wireless Charging None Charging Port USB Type-C Charging Cable Length 19.7" / 0.5m Physical Color Black Weight Headphones: 11.5oz / 326g Packaging Info Package Weight 2.93 lb Box Dimensions (LxWxH) 10.5 x 8.1 x 3.6"