Yesido TWS19 Bluetooth 5.3 LED Digital Display ENC Noise Reduction Bluetooth Earphone (Black)

1. Chip: Jieli AD6973D 2. Bluetooth version: 5.3 3. Receiving distance: 12m 4. Working hours: music playback for about 6 hours (volume 80%) 5. Standby time: 35H 6. Talk time: 3.5H 7. Charging time: about 2H 8. Charging box battery model: 901635/3.7V/470mAh (with protection board) 9. Single ear battery: 35mAh 10. Binaural battery life: 3-4 times 11. Use ENC noise reduction technology to filter noise and make calls and communication clearer. 12. Semi-in-ear design, ergonomic, light and comfortable to wear without pressing on the ears.