The LEXIN LX-B2 headset allows you to make hands-free phone calls, listen to wireless GPS navigation, enjoy music, and carry on a conversation with your passenger. With our high-performance speakers and Bluetooth v3.0 connectivity, enjoy crystal-clear audio for listening to music, audio navigation, or hands-free telephone conversations when connected to a Bluetooth capable device or mobile phone. The main function buttons are easy to find and control, even when wearing gloves. LX-B2 also features the ability to interface with Apple Siri and Samsung S Voice control systems for hands-free voice dialing. The LX-B2 performs universal pairing with most brands of Bluetooth devices for full duplex intercom conversation. Package Contents: LX-B2 communicator unit *2 Mounting bracket with connected speakers and spring clip *2 Scotch 3M double-sided adhesive for surface mounting *2 Adhesive-backed Velcro pads *2 5v 500mA wall charger *2 USB A to micro-USB cable for charging *2 Button microphone *2 Boom microphone *2 User manual Technical Specifications: LX-B2 Communicator Unit Full duplex intercom communications Working distance: Up to 10 meters for intercom Auto or manual answer mobile phone and intercom calls Bluetooth v3.0 Headset Profile (HSP) Hands-Free Profile (HFP) Advanced Audio Distribution Profile (A2DP) Rechargeable lithium ion/polymer battery 8-12 hours talk time 180 hours standby time Waterproof design for all-weather use Micro-USB port for charging Dimensions: 3.5cm high, 8.5cm long, 2.3cm thick