... 5.12 months warranty Factory Price Bluetooth Headset Unit for Motorcycle Motocross Helmet for cellphones,Ipads,Laptops Specifications of bluetooth: ... to 4dBmOperating temperature-10’C to +55’CSupportsBluetooth Headset, Handsfree, A2DP and AVRCP Profiles Features of bluetooth: 1,Top ... More Pictures: Factory Price Bluetooth Headset Unit for Motorcycle Motocross Helmet for cellphones,Ipads,Laptops