1、Stable Connection: Advanced intercom communication and Bluetooth technology enables stable intercom connection of helmet. Intercom support 2 to 8 people and distance up to 1000 meters. 2、Multifunctional: The helmet supports one click answer or hang up the call in the ride, intimate voice reminder, remote control answer, but also compatible for Siri and so on. 3、Mobile Music Sharing: All the music is streamed directly from your smartphone, and you can control, share and listen your favorite music in the riding. 4、Long Battery Life: Helmet supports USB type C fast charge, charging 20 minutes can last 2 hours, full charge only 2 hours, continuous intercom up to 13 hours or more. 5、With Remote Control: Remote control can be used to control taillight steering (3 modes), intercom, music switching. It can be installed on the handlebar fasteners and paired with a 2.4G connection. Item Type: Smart Bike Helmet Material: Pc+EPS Color: Aurora Purple Helmet Battery Type: Built In 1500mah Lithium on Battery (Included) Remote Control Battery: Built In 120mah Lithium Ion Battery (Included) Bluetooth Solution: For Qualcomm Intercom Connection: Bluetooth Intercom Distance: 1000 Meters Number of Intercom People: 2-8 People Taillight Function: Left and Right Turn + Middle Warning Remote Control: 2.4g Connection 1 x Smart Helmet 1 x Multifunctional Rmote Control 1 x Data Cable 1 x Storage Bag 1 x Instructions