HEIBAS Bluetooth Headset, Wireless Bluetooth Earpiece with 500mAh Charging Case 72 Hours Talking Time Built-in Microphone for iOS Android Cell...

Smart Digital Display: Easy-to-read digital display shows the remaining power of the charging case for the refill in time. High Capacity and Long-Lasting: Equipped with the 500mAh charging case to juice up the bluetooth headset for almost 72 hours of music/talking time. The single headset offer 18-23 hours of talking time.