Overview 1.Bluetooth V5.0, support most Bluetooth devices and lower power consumptionThe 2.3600mAh charging case can fully charge 2 earphones around 10 times, offer more music time. 3.With waterproof technology, no need to worry about water and sweat anymore 4.8mms dual drive units, enjoy 6D strong deep bass music sound 5.Popular one-button control function, support switch songs, phone call, and call voice assistant.Specifications: Function: battery display, call function, support musicBluetooth protocol: 5.0Channel: StereoHow to use: EarbudsWhether single or double ears: bilateral stereoVersion: V5.0Use time: 4-8 hoursStandby time: 120 hoursCharging time: 30 minutesTransmission distance: 10mPackage Content2 x Bluetooth Earphones 1 x Charging Case 1 x USB Cable 4 x Earphone Cups