Feature: 1. Automated Call Answering: Promoting safety while riding, the motorcycle helmet bluetooth headset automatically answers incoming calls within 10 seconds, allowing you to keep your focus on the road. 2. Weatherproof and Noise Reduction: The helmet intercom headset boasts an IPX6 waterproof rating, making it resistant to harsh weather conditions. With its CVC noise reduction feature, it offers clearer conversations. 3. Support for Voice Assistant Access: With a simple double tap on the volume down button, you can easily activate for voice assistant. This feature enables real time talk with your personal assistant. 4. Dual Device Connectivity: The Bluetooth headset allows simultaneous connectivity with two mobile devices. Whether it's listening to music, navigating routes, or answering calls, you can freely switch between devices. 5. Universal Compatibility: This headset is designed to fit all available riding and sports helmets on the market. Its compatibility makes it a perfect add on for any motorcycle enthusiast. Specification: Item Type: Helmet Bluetooth Headset Material: Plastic Battery Model: 3.7V Lithium Battery x 1 Battery Capacity: 1000mAh (built in) Waterproof Level: IPX6 C orresponding Distance: ≧15m / 49.21ft Chip: BT8925B2 Voice Prompt Type: English, Chinese Speaker Specification: 40mm PEN Speaker Speaker Impedance: 32Ω±3Ω Playback Duration: 40H - 50% Volume, Light Off Mode, 22H - 50% Volume, Light On Mode Talk Time: 38H - 50% Volume, Light Off Mode, 20H - 50% Volume, Light On Mode. Package List: 1 x Bluetooth Earphone 1 x Instruction Manual 1 x Charging Cable 1 x Clip Base 4 x Speaker Hook and Loop 2 x Microphone Hook and Loop 1 x Earphone 1 x Soft Mic 1 x Hard Mic 2 x Stand Hook and Loop 1 x Thick Double Sided Adhesive