TWS with Heavy Bass                                                                                                           Intelligent touch controlClear MicrophoneSupport master-slave switch13mm speakerAutomatically power on and power offSupport customized soundBluetooth version: 5.1Support profiles: HSP,HFP,A2DP,AVRCPChipset: Jieli6983Material: ABS+PCWireless range: up to 10 metersEarbuds Battery: 30mAh*2Charging case battery: 320mAhTalk time: 5 hrs per chargeRecharge times: 3 timesCharging time: 1.5-2 hrsTotal talk time: 15 hrs