L11 TWS Bluetooth 5.0 Wireless Headset with Charging Box(Black)

1. Program: Jerry AC6936 2. Bluetooth version: V5.0 dual-pass 3. Operating frequency: 2.4GHz-2.4835GHz 4. Support: Battery display Support: Music Call 5. Working distance >10m Speaker: True copper ring 6. Frequency response range: 50HZ-20KHZ 7. Sensitivity 104+2dB 8. Headphone battery capacity: 55mAh Charging box battery capacity: 300mAh 9. USB charging: the headset is full for 1 hour, and the charging compartment is full for 2 hours. 10. Headphone standby time: 180 hours Number of charging bins for headphones: 2 times. 11. Continuous talk time: 4 hours - 5 hours Music playback: 3 hours - 4 hours 12. Headphone size: 23x17x14mm Charging box size: 87x38x32mm 13. Headphone weight: 5.5g Charging bin weight: 37g 14. Full package weight: 84g Package size: 113x85x40mm The full set of accessories includes: Headset x2 Charging bin x1 USB cable x1 Manual x1 Earmuffs x2 pairs (1 pair for each big and small)