Feature: 1. Bluetooth Technology: Helmet headset uses bluetooth technology for stable transmission, wider coverage, clear communication, faster speed and lower power consumption. 2. Multifunctional Operation: Helmet bluetooth headset can achieve a variety of functions, such as answering and rejecting the phone, adjusting the volume, playing music, etc., to facilitate the operation during the riding process. 3. Two Way Communication: Built in two way intercom function allows you to communicate with your companions in real time, ensure riding safety, and keep in touch with other riders. 4. Long Standby Time: Up to 30 hours of talk time and 18 months of standby time to meet your needs for a long ride, durable and reliable. 5. Wide Application: Suitable for a variety of motorcycle helmets, can be compatible with a variety of Bluetooth devices, support to connect two devices at the same time. Specification: Item Type: Motorcycle Helmet Bluetooth Headset Material: ABS Battery Type: Lithium Battery (Shipped With Built In Battery) Battery Model: 782052 Battery Capacity: 1000mah. Package List: 1 x Helmet Headset1 x Horn Microphone1 x Clamp Base1 x Pack of Hook and Loop Fastener1 x Instruction Manual1 x Charging Cable