【Advanced Bluetooth-compatible 5.3 Technology】Equipped with 8-core dual chips, supporting simultaneous intercom for 2-10 riders up to 3000 meters. Features music streaming, phone and GPS connectivity, and over-the-air software updates. 【Cross-Brand Compatibility】Communicate with riders using different brands, expanding intercom capacity and promoting driver collaboration. Large, simple buttons ensure comfortable operation while driving. 【Voice Command Integration】Activate Google Assistant, for Apple's Siri, or for Samsung's Bixby with simple voice commands for navigation, music playback, voice dialing, and more. 【Superior Audio Quality】CVC/DSP noise cancellation technology and 40mm Hi-Fi stereo speakers deliver crystal-clear audio for calls and intercom, effectively filtering background noise for an exceptional listening experience. 【Long Battery Life and Waterproof Design】1000mAh high-capacity battery provides about 16 hours of talk and intercom time. IP67 waterproof rating ensures durability and reliability in any weather condition. 【Audio Multitasking】Allows simultaneous intercom conversations, music listening, and GPS navigation, enhancing your riding experience with seamless communication and entertainment. Specifications: Bluetooth-compatible Version: 5.3 Working Distance: Up to 3000 meters for 10 riders in a group Standby Time: 150 hours Working Time: 16 hours Charging Time: Approximately 2.5 hours Charging Port: TYPE-C Power Requirement: 5V1A Battery Type: 1000mAh Rechargeable Lithium Polymer Operating Temperature: 14℉ to 122℉ (-10℃ to 50℃) Storage Temperature: 5℉ to 131℉ (-15℃ to 55℃) Speaker Size: 40mm Hi-Fi stereo speakers Waterproof Rating: IP67