With Bluetooth 4.1 technology, the SRL is a unibody communicator that fits into the helmet ear pockets allowing for easy and versatile use. The SRL features an eight-way intercom communication up to 1 mile in open terrain with Universal Intercom and Group Intercom technology, as well as intuitive voice prompts and voice commands. Through the use of innovative technology the 1SRL offers safe and easy operation with an includedwireless remote control as well as a three-button control pad for emergency control. Additional key features include music sharing, built-in FM radio tuner, Advanced Noise Control, up to 10 hours talk time, and an exclusive smartphone app for iPhone and Android all while being firmware upgradeable.