Here One is the first 3-in-1 wireless smart earbuds combining Premium Audio， Smart Noise Cancellation， and Voice Amplification Premium Audio: stream music and take hands-free phone calls without wires or neckbands Smart Noise Cancellation: tune out noise or amplify sound to stay aware of your surroundings ? even while listening to music? perfect for commuting and working Voice Amplification: hear better in noisy places like a restaurant or your office Up to 2 hours of audio streaming per charge， and up to 8 hours of audio streaming with the included portable charging case. Battery life may vary depending on your usage of Smart Noise Cancellation while streaming music To ensure the best Bluetooth experience， always use the latest Here One app for your device. Bluetooth connectivity is dependent on many environmental factors such as distance from your smartphone， the OS version of your smartphone， and interference from other wireless devices<br>-----------------<br>(※注意)弊社はAmazon社が運用しています出荷対応代行サービス(FBAマルチチャネルサービス)を利用しているため梱包がAmazonで届きます。価格につきましてはAmazon内で販売されている価格と弊社の価格は関係性はありませんのでキャンセル・返品・クレームはご遠慮下さい。