Features 1、Clear Communication Anywhere: This motorcycle helmet BT intercom allows 10 riders to communicate with each other up to a distance of 2000 meters and to easily create and join group conversations, ensuring clear and uninterrupted communication while on the road 2、Multi-functional: It also supports music playback, FM radio, GPS navigation voice prompts, and even music sharing with fellow riders. CVC noise reduction technology ensures crystal-clear voice quality even in noisy environments 3、Convenient OLED Display: The built-in OLED screen provides clear and intuitive information, allowing riders to easily view the intercom status, battery level, and other important details while on the go 4、Durable and Waterproof: Designed with an IP65 waterproof rating, this motorcycle helmet intercom is resistant to water and dust, ensuring reliable performance even in challenging weather conditions 5、Long-lasting Battery Life: With its built-in 900mAh lithium battery, this helmet intercom can support up to 28 hours of continuous intercom or phone call usage, 33 hours of music playback, and can be fully charged within 2 hours Specification BT Version: 5.2 BT Profiles: Supports A2DP, AVRCP Signal Frequency Range: 2.4GHz-2.480GHz BT Transmission Distance: about 10m (ideal environment) Maximum Number of Intercom Connection: 10 people intercom Intercom Wireless Transmission Range: about 2000m (ideal environment) Horn Diameter: 40mm Battery: 900mAh rechargeable polymer battery Calling/Intercom Time: about 28 hours Music Playing Time: about 33 hours Standby Time: about 500 hours Charging Time: about 2 hours Charging Voltage: DC 5V 1A Interface: Type-C Waterproof Level: IP65 Working Temperature: 5°C~40°C Material: ABS, Acrylic, Silicone Color: Black, Red, Silver (Optional) Product Size: Approx. 10.0*4.2*3.0cm/3.93*1.65*1.18in Product Weight: Approx. 52g/1.83oz Package Size: Approx. 17.3*13.0*4.1cm/6.81*5.12*1.61in Package Weight: Approx. 382g/13.47oz Package List 1 * Helmet Intercom 1 * Pair of Headset&Microphone 1 * Soft Microphone 4 * Adhesive Earphone Stickers 2 * Soft Mic Stickers 2 * Hard Mic Stickers 2 * Clamp 2 * Clamp Sticker 2 * Screws 1 * Screw Driver 1 * Charging Cable 1 * User Manual (English)