1Compatible with all smartphone with bluetooth function, lets you receive and place phone calls, listen to music, radio, etc 2Supports rider to rider intercom in 5 riders (full duplex) in 1.2km, very practical and useful 3Built-in large capacity battery supports long standby time and working time 4Made of good quality materials, lightweight, sturdy and waterproof 5The remote control fits most of motorcycles, with it you can easily adjust volume or change channel to rider or radio, easy to install and useFeatures:Compatible with all smartphone with bluetooth function, lets you receive and place phone calls, listen to music, radio, etc. Supports rider to rider intercom in 5 riders (full duplex) in 1.2km, very practical and useful. Built-in large capacity battery supports long standby time and working time. Made of good quality materials, lightweight, sturdy and waterproof. The remote control fits most of motorcycles, with it you can easily adjust volume or change channel to rider or radio, easy to installand use. Specification:Material: PlasticColor: BlackBattery: built-in li-polymer 550mAhCharging Time: 3 hoursPhone Talk Time: 8 hoursMusic Playing Time: 8 hoursStandby Time: 12 hoursFrequency Range: 2.402GHz-2.480GHzWoring Temperature: -10-45Bluetooth: V3.0 and aboveMobile Phone Connection Transmitting Range: 10mIntercom Wireless Transmitting Range: 1.2kgWeight: Approx. 500gPackage List:1 x Headset1 x Remote Control1 x Spearker and Microphone1 x Clamp1 x Cable1 x Pack of Installation Fittings1 x Manual