Sony WH-CH720N Noise Canceling HeadphoneSony s lightest Wireless Noise-cancelling headband ever;Up to 50-hour battery life with quick charging (3 min charge for up to 1 hour of playback)Multi-Point Connection helps to pair with two Bluetooth devices at the same time;Take noise cancelling to the next level with Sony s Integrated Processor V1,so you can fully immerse yourself in the musicSuper comfortable and lightweight design ( 192 Grams );Adjustable Ambient Sound mode and Adaptive Sound control features tailors sound to suit the environment around youHigh sound quality and well-balanced sound tuning; Crystal clear hands-free calling and voice assistant with Precise Voice Pickup technology We Only Sell 100% Original, Top-Quality Sony Genuine Products. We Only Sell 100% Original, Top-Quality Sony Genuine Products.SpecificationsGeneral   Brand: Sony Model: WH-CH720NNoise Canceling: Industry-Leading Noise CancelingNoise Canceling: Digital Noise CancellationNoise Canceling: Digital Noise CancellationBattery Life: 30 Hrs, 3 Min charge for 3 Hrs playbackBattery Life: 30 Hrs, 10 Min charge for 4.5 Hrs playbackBattery Life: 35 Hrs, 10 Min charge for 4.5 Hrs playbackMulti Device Connection: YesHands-free Calling: Yes with 4 microphonesHands-free Calling: YesHands-free Calling: YesMulti Device Connection: YesMulti Device Connection: YesSpecial Features: Auto Noise Canceling Optimizer, Carrying Case, Wearing detection, Touch ControlSpecial Features: Foldable design, Carrying Case, Touch Control, Extra bass Warranty Warranty: 1 Year