Features: State-of-the-art technology Bluetooth 5.4 technology ensures seamless audio transmission for uninterrupted music playback and accurate navigation, making every ride a smart and connected experience. Advanced noise-cancellation technology strainer out background noise with precision, allowing for limpid calls and enhanced focus while communicating on the road Two connectivity enables simultaneous pairing with two phones, enhancing versatility and ensuring seamless multitasking while on the road. Quick access to voice assistants with a single press of the voice mandate button, providing hands-free convenience and effortless interaction with your device. Equipped with a high-capacity 1000mAh battery, ensuring long-lasting performance that keeps the happy going, while the IPX6 waterproofing rating provides protection against padding and splashes for worry-free use in any weather condition. LED digital display, new upgraded, headset status at a glance, suitable for a variety of scenarios, so that you in the process of outdoor cycling, very convenient, very strong performance Product Description: Bluetooth version: 5.4 Playback Duration: 48H Call duration: 38H Battery Capacity: 1000mAh/3.7V Charging port: 1.5H Waterproofing rating: IPX6 Communication distance: 15m Overall weight: 53g Tone: English/Chinese Speaker specification: 40mm 1x Main unit; 1x Charging cable; 1x Instruction manual.