Portable Charging Case | Intimate Design | 13mm Moving Coil Speaker | Ultra-long standby time | Half in-ear Design | Easy Bluetooth Connection | Smart Bluetooth 5.0 | Bluetooth distance:Within 10 meters straight in open air | Charging case capacity：300mAh | Playing time (earphones)：More than 4 hours | Playing time (earphone plus charging case)：More than 12 hours | Charging time: Less than 1.5 hours/p> | Accessories：Charging cable | Black |