Seamlessly connect to two mobile phones simultaneously for enhanced flexibility and efficiency in managing calls and tasks on multiple devices. Stay informed with intelligent voice prompts, offering caller ID and bilingual switching between Chinese and English for enhanced accessibility and convenience. Enjoy up to 20 hours of usage with a quick 20-minute charge, thanks to the 140mAh extra-large battery, ensuring uninterrupted connectivity throughout the day. Never miss important calls with vibration reminders for incoming calls, ideal for noisy environments or when your phone is out of reach, ensuring you stay connected at all times. Stay updated on battery life and connection status in real-time with the LCD smart display feature, providing clear information for seamless usage and monitoring. Description: Never miss important calls with these hands-free earbuds featuring a vibration reminder for incoming calls. The retractable earphones boast a long-lasting 140mAh battery, providing up to 20 hours of usage in just 20 minutes of charging. Stay informed with the LCD smart display showing real-time battery life and connection status. Enjoy intelligent voice prompts, caller ID, and bilingual switching between Chinese and English for added convenience. Connect to two mobile phones simultaneously for seamless device switching and enhanced efficiency. Stay charged all day with these versatile wireless earphones. Item Name: Earphone Material: PC, ABS Bluetooth-compatible Version: 5.4 Charging Voltage: DC5V Charging Time: 20 Minutes Talk Time: 20 Hours Music Time: 20 Hours Standby Time: 6 Months Battery Capacity: 140mAh Features: Ultralight, Practical, Universal Size Details: L: 4cm, W: 2cm, H: 2cm (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Earphone 1 x User Manual