Introducing the state-of-the-art in wireless audio technology: the Green Lion True Wireless Earbuds 2 G1. With a built-in microphone and a charging case included these earbuds make sure you're always prepared for lively listening sessions or crystal-clear conversations. Its 4 hours of operation, together with wireless charging capability, mean that they're made for continuous enjoyment. The Bluetooth 5.3 version paired with the touch control provides smooth operation and seamless connection. With a 350mAh battery in the charging case and a 30mAh battery in the earphones, the set offers a strong Bluetooth range of 15 meters as well as 180 hours of standby life. Use Green Lion to enhance your listening experience. Features Built-In Microphone & Charging Case 4Hrs Working Time Wireless Charging Touch Control Bluetooth 5.3 Version Pop-Up & Auto Pairing Chips: JL6973 Battery For Earbuds: 30mAh Battery For Charging Case: 350mAh Standby time: 180H Bluetooth distance: 15m