Specification Product Name bluetooth 5 0 earphoneModel B39410Color Black WhiteMaterial Plastic ABS Acrylonitrile Butadiene Styrene Charging Box Charging Time 1 2 hoursEarphone Charging Time 30 minutesMusic Time 3 4 hoursTalk Time 5 6 hoursStandby Time 100 hoursEarphone Battery Capacity 55mAhCharging Box Capacity 450mAhWaterproof IPX5Effective Distance 10m 32 8ftEarphone Size 2 5 L X2 2 W X1 7 H CM 1 0x0 9x0 7INCHCharging Box Size 4 4 L X3 3 W X5 8 H CM 1 7x1 3x2 3INCH Features 1 With TWS big capacity charging case put in and charge immediately2 Support language switching caller voice report3 Support power display for Android and iphone ipad ipod4 Automatic switch connection continuous press to change songs up and down listen to the phone in both ears5 Boot into the automatic connection to the last paired phone more convenient6 Intelligent compatibility support all bluetooth mobile phone tablet notebook etc7 5D HIFI sound highly restored original soundPackage Include 2 x bluetooth earphone2 x Earmuffs1 x Charging case1 x USB charging cable1 x User manual