Features: High Sensitivity PU Composite Membranes Speaker: Equipped with PU composite membranes speakers, these earphones deliver high sensitivity and low distortion, providing deep, full bass, and rich, detailed sound for an immersive listening experience BT V5.4 Chip Module: With the BT V5.4 chip, enjoy fast, more stable, and smoother transmission, ensuring smoothes music and calls wherever you are Precise Capacitive Touch Controls: The earphones feature precise capacitive touch controls, allowing you to easily skip songs, take calls, and activate your voice-assistant Comfortable and Secure Ear Hook Design: The open and earhook design ensures a comfortable and stable fit that won't slip out, making these earphones ideal for sports, workouts, etc. HD Digital Battery Display on Charging Case: The charging case includes a HD digital display that keeps you informed about the remaining battery life at a glance Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: BT Version: BT V5.4 Speaker: 13cm speaker Standby time: 120H Working time: 4 hours, the charging case can charge the earphones 2 times. Charging time: about 1-2 hours Communication distance: barrier-free 10-15 meters Earphone battery capacity: 40 mAh Charging box battery capacity: 300 mAh with IC protection board Translation languages: 138 Package List: 1x AI Real Time Language Earbuds