Features: Advanced Audio Processing: The Q58 helmet BT headset features dual DSP audio multi-path processing capabilities for mixing sounds from different scenes. Whether you're communicating, navigating, or making a call, you can enjoy clear, immersive audio. Two-Person 500m Intercom: This device supports dual-mode presence and allows for two-person communication up to 500m apart. You can even answer calls during intercom use, ensuring a safe and worry-free ride. Personalized EQ Sound Effects: Tuned in a professional acoustics lab, this headset offers six preset sound effects, allowing you to customize your audio experience based on your preferences. Long Battery Life: With a large 1000mAh capacity and a Type-C charging port, this headset offers up to 25 hours of battery life. Just 2 hours of charging time keeps you connected all day. Noise Reduction Technology: The combination of CVC algorithm and DSP hardware provides professional noise reduction, effectively reducing environmental noise for a more immersive sound experience. Soft mic suitable for full face helmets, Hard mic suitable for flip-up helmet, 3/4 helmet. Specifications: BT: 5.0 Transmission distance: 10M Battery: 3.7V 1000mAh lithium battery Double intercom, intercom distance 800M Radio: FM radio Memory card: support 32G memory card Standby time: 300 hours Talking time: 25 hours Intercom time: 15 hours AI voice assistant: support Waterproof: IPX6 Ambient light: support on and off Package size: 131*102*60mm Package weight: 182g Package List: 1 * Q58 1 * Speaker Microphone 1 * Clip-on base 1 * Adhesive 1 * Q58 Sticker 2 * Microphone Sticker 1 * Charging cable 1 * Manual