Type: Wireless Intelligent In-Vehicle HeadsetFunction: Music Listening + Phone Answering Bluetooth Version:V 4.1Material:Plastic and rubberDesign: Intelligent In-Vehicle Holder Lightweight,fashionable design,portable.Pick the headset up to receive the call, Pick it down to hang up the phone.Stable connection in 10m within 100 square meters to enjoy freedom of wireless.New technology to reduce noise deeply.Good quality lithium battery and optimized adjustment from engineers to increase the lifetime of battery. 3.5H Music time 4.5H Talking time 55H Standby time.Retail package.