【High Performance For 6 Riders】 Capable for simultaneous connection of 6 riders, reaching a group communication range up to 1828yd, and 2 separate communication distance reaches 546.8yd. If you disconnect the group communication in 5 minutes, you can rejoin the group seamlessly; if more than 5 minutes, press one button to rejoin the group and stay connection. | 【Crystal-Clear Sound Quality】Featured by new 40mm HD speakers with advanced CVC technology for effective noise cancellation of both incoming and outgoing audio. The Bluetooth helmet intercom allows you to easily switch music from calls, ensuring crystal clear voice quality in a high speed. | 【Hands-Free Communications and Other Functions】For hands-free calling, S-9 wireless motorcycle headset enables to answer, hang up, refuse and redial phone calls. With this headphone, you can also enjoy music, get GPS directions, achieve voice command via Bluetooth, making your riding more enjoyable, safe and comfortable. | 【Lasting Power and Waterproof】S-9 motorbike communication system made from rainproof (IPX5 waterproof) and dustproof structure allows you to answer calls and listen to music while riding your motorcycle in all weather. With 600mAh lithium polymer battery, it’s able to work for about 15 hours to ensure a long-time riding. | 【Package Included and Satisfaction Afterservice】 Comes with 1 S-9 helmet Bluetooth intercom, 1 speaker, 1 microphone, 1 headphone, 1 USB charging cable, 2 sponge pads, 4 magic stickers, 1 silicone pad, 2 stickers, 1 clip and and 1 user manual. We offer 12-month service, if you have any questions, please feel free to contact us, we’ll try our best to resolve your issue. Please rest assured to purchase.