Version 5.3 of Bluetooth Talk time: five hours Playtime: 6 hours 1.5 hours for charging 200 hours is the standby time. It is 104 ± 3dB sensitive. 16 Ω is the impedance. Type-C interface The charging case's battery has a 300mAh capacity. 35mAh*2 is the earbuds' battery capacity. DNS reduces call noise. They listen to music for 180 minutes and charge for 10 minutes. Rate of waterproofing: IPX6 Type-C interface