Product detailsBrand: LenovoSignal: lp75Shape: irregularColor: Black/WhiteGross weight: 135gBluetooth version: 5.0Power: 3MWTalk time: 4-6 hoursWaterproof performance: ipx5Transmission radius: 10MBluetooth V5.3, support most of bluetooth devices and lower power consumption 400mAh charging case can full charge 2 earphones around 5 times, offer more 28 Hours music timeWith waterproof technology, no need to worry about water and sweat anymore13mms dual drive units, enjoy 9D strong deep bass music soundPopular touch control function, support switch songs, phone call and call voice assiatant.