Type: Couple:Ear Hook Bluetooth Headset Wireless Earphone with mic noise canceling for all phonePacking and deliveryPackaging: retail packaging boxDelivery details: 1-2 business days for sample order. 20-30 days for mass production1. Concealed LED indicator on product, which can reflect turn on/off models.2. Natural Nontoxic silica Gel, soft and comfortable to wear, strengthen bass effect.3. High sensitive microphone.Product Parameters:Bluetooth Version4.1Bluetooth protocolHSP,HFP,A2DP and AVRCPSupportSBC , MPS decoder and APT-XTalking / Playing time6 hours/ 5 hoursStandby time200 hoursCharging time1.5-2 hoursTransmission distanceAbout 10 metersWeight6gImpedance16 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