Unused Wireless Earphones Bluetooth Earphone Microphone for Left Ear For sale: LCD display Accessories: Main unit Charging cable English instruction manual ・Bluetooth 5.4 Technology: Provides a more stable and faster wireless connection to your device, allowing you to enjoy stable calls and music. ・ Professional directional sound transmission: Efficient focused beam sound waves, clear sound quality directly to the ear. ・ Lightweight design: The Bluetooth headset weighs only 11 grams, allowing for comfortable and stress-free wearing. ・ 11 hours of continuous playback after a full charge. ・ Type-c fast charging: Super fast charging, fully charged in 1.5 hours. Can only be controlled by touch. Supported communication method: Bluetooth Communication distance: Approximately 10-20m Power supply: Type-C charging (Standby time): Approximately 400 hours Charging time of the main unit: Approximately 1-2 hours Playback time: Up to 24 hours in conjunction with the charging case Talk time: Up to 5 hours Music volume and data volume affect the time Product condition: New Please refer to the images for operating instructions.