Product Name:Mi True Wireless Earbuds Basic 2 Battery capacity:43mah Battery Life (Single Charge):About12 Hours Operation Range:Up to 10 meters Charing box capacity:300mAh Charging time:1.5 hours Standby time:Approx. 150 hours Wireless connection BT:5.0 Package: 1 pair Earbuds Basic 2 1 pc Charging box, 2 manuals 3 pairs of ear tips 1 warranty notice