Motorcycle helmet headset, support 800 meters long distance call, CVC noise reduction processing, clear sound. Intelligent BT chip, support APP control, stable connection, can realize auto-answering, hands-free calling, audio playback and other functions, improve safety, and is a nice partner for your riding. Features: Motorcycle helmet headset supports 7-person switching intercoms, 800-meter communication distance and CVC noise reduction, making the communication between you and your friends simpler and more efficient. High-performance BT chip achieves low power consumption and greatly improves the voice data transmission rate of BT, with nice sound quality and simpler connection. Support BT connection to phones, which can realize auto-answering, hands-free calling, voice assistant, playing songs, etc., more intelligent and improve riding safety. Support APP(EJEAS SafeRiding APP) control, compatible with Android and iOS systems, you can set up groups and stay connected with your friends. Built-in large-capacity battery, coupled with circuit optimization processing and chip technology, reduces power consumption by 20%, and the continuous talk time can reach 30 hours. Built-in FM radio, clear sound, stable signal, can listen to road conditions, weather, news, etc. in real time, it is your nice partner on the road. High-quality ABS housing with rubber buttons, stable structure and nice durability. IP65 waterproof, it can adapt to bad weather outdoors. Specifications: Color: Black Material: ABS + PC Quantity: 1PC / 2PCS(optional) BT Version: BT5.1 Communicate Distance: Max. 800m Battery: Built-in 3.7V, 750mAh Lithium Battery Voltage: 5V, 1A Charging Time: About 3 Hours Waterproof: IP65 Working Temperature: -10-50C Item Size(each): 93 * 44 * 23mm/ 3.7 * 1.7 * 0.9in Package Size: 1PC: 155 * 100 * 60mm/ 6.1 * 3.9 * 2.4in 2PCS: 210 * 110 * 170mm/ 8.3 * 4.3 * 6.7in Package Weight: 1PC: 258g/ 9.1oz 2PCS: 418.3g/ 14.8oz Packing List: 1 * Headset 1 * Speaker & Microphone Integrated 1 * Charging Cable 1 * Mounting Clip Set 1 * Manual