Leaf Dots earphones comes with Bluetooth v5.0 and balanced left and right stereo channels which ensures a perfect stereo sound quality. It has a built-in rechargeable powerful lithium battery which provides up to 5 hours of music playback time and 5 Hours of talktime (volume at 70%) with a standby time of 160 hours, in total it has a battery life of 20 hours as you can charge the earphones thrice with the case provided.