Features: 1. [Smart chip]: qualcomm5.0 bluetooth chip, intelligent DSP audio processing; new CVC noise Reduction calculation, fast pairing speed, super noise Reduction ability, shocking music experience. 2. [Humanized design]: Humanized design of control keys makes blindfolded operation easier and ensures safe riding. 3. [Long-term]: Sufficient for a day of riding listening with fun and riding with ease. 1000m intercom for 2 people, FM radio; 16KB voice bandwidth, smart microphone pickup; 700mAh capacity battery, low power consumption system running strong endurance; 18H music playback and receiving calls. 4. [Powerful function]: It supports simultaneous interconnection and intercommunication of multiple devices, and supports paiRed intercom with other brands, and has 8 Country prompt tone selection(English, Korean, Chinese, Italian, German, Portugal, Spain France) allowing people from different countries to use it easily. 5. [Wide application]: Suitable for different types of helmets, such as full face helmet, open-face helmet, half-face helmet, motocross helmet, retro helmet, etc. Specification: Basic parameters. Material: ABS, Acrylic, Silicone. Size: 84x49x28mm. Max intercom distance: 1000m. Maximum number of connections at the same time: 2 intercom. Standby time: 300 hours. Battery capacity: 700mAh(rechargeable lithium polymer). bluetooth version: Qualcomm5.0. Waterproof rating: IP65. Transmit sensitivity: -82dBm. Bluetooth operating range: Up to 10 meter. Talk time: Talk back for 15 hours. Up to 18 hours of mobile phone calls/listening to music; Charging time: About 2.5 hours. Attribute parameter. Working voltage:  3.3V-4.2V. Output power