About this item Battery Display Charging Case: The Bluetooth headset was built in 55mAh battery, it can be fully charged in 1.5H for continuously 12H talking. With the charging case, it displays the remaining battery of the charging case. Bluetooth V5.1: Adopts the latest version of Bluetooth V5.1, compared with old version, it greatly reduce the chance of cutting in out and provides more stable connection for up to 33 feet away. Also, it can be connected with two devices simultaneously. Comfortable Wearing: Designed to fit both ears, the retractable ear hook and flip-boom arm swivels and rotates for a comfortable fit. It is lightweight and comfortable enough to be worn for hours. True Wireless Headset with Clear Sound: Built in microphone, it enables you to answer reject calls and mute on the Bluetooth headset. Also, the Bluetooth headset for cellphone supports voice assistant. The wireless headset adopts the QCC-3020 chip, which provides more clear sound and stable connection. Easy to Use: Just take the Bluetooth headset out of the charging case, it will automatically enters the pairing status, turn on your Bluetooth on your phone and choose”G5”, and it will be connected with your phone.