KS080:1. USB charging port on product body ,Website:http://www.s-ksenic.com, not on control pannel , it avoid big size control pannel.2. Concealed LED indicator on product, which can reflect turn on/off models.3. Natural Nontoxic silica Gel, soft and comfortable to wear, strengthen bass effect.4. High sensitive microphone.Product Parameters:Bluetooth Version4.0Bluetooth protocolHSP,HFP,A2DP and AVRCPSupportSBC , MPS decoder and APT-XTalking / Playing time6 hours/ 5 hoursStandby time250 hoursCharging time2hoursTransmission distanceAbout 10 metersWeight11.8gImpedance16 ohmFrequency response20-20kHzLoudspeaker size8mmSensitivity100 /-3dbCharging input5V/200mACertificationsBQB, CE, RoHS, REACH,FCCOEM/ODMYesPatentHave patentProduct Functions:1.Support remote control of play/pause, next song/last song,volume up/volume down,pick up/hang up/ reject the phone calls,last number redial.2.Pause the music