3 to 4 hours of music playing earphone time.
4 to 5 hours phone-call earphone time.
3.7V / 110mAh battery capacity.
DC 5V / 500MA charge voltage.
2 hours of charging time.
A8 smart Bluetooth headset polarized sunglass has a special feature for mobile calling and music. The smart sunglass represents 4.1V
+ EDR Bluetooth connection, 2.402 - 2.480GHz frequency range, class2 transmission power, 10 meters transmission distance, 32Ω / 0.5W earphone power, and ≤0.2% 95dB distortion degree. UV rays are completely blocked by the sunglass and a clear view is created with high-definition polarized lenses. The fashionable spectacle frame is made of high-quality material that is lightweight, versatile, and long-lasting. The Bluetooth headset provides excellent audio quality and is compatible with nearly all Bluetooth-enabled audio devices.