90% Noise Isolation with Noise Canceling Technology (ANC) Weight of the package: 270 grams 56 grams is the product weight. 520 days is the charging case standby time. Refills: three silicone pairs in a different size box Bluetooth 5.0 Touch 13ml Dynamic Large Indoor Speaker: Yes 360mAh battery with a 5 volt capacity 45 mAh single speaker battery A battery iPhone charging time: approximately one hour; music usage time: approximately five hours; battery percentage Wireless charging is supported. Strong and well-balanced sound that can travel up to ten meters