Dacom C-Blue1 In-car Bluetooth Headsets NFC V4.0 Stereo Wireless Earphone For iPhone 6S Plus 6S Samsung Smartphone Features:This bluetooth headset is made for the car driver，be differ from other model headset.This headset has a charging dock，and it can instal to your car.The charging and work is very convenience. Specifications:Brand: DacomModel: C-blue-1Bluetooth standard:nluetooth V4.0Bluetooth mode: headset\/hand free\/A2DPOperating range: up to 30 feet(10 meters)Talk\/MP3 playing time: 3-4 hoursStandby time: 15-20 Days Package included:1* Dacom C-Blue1 In-car Bluetooth Headsets1* Charging Cable1* Ear-hook1* User Guide( Chinese edition) More detail: