Jr-t03s TWS Bluetooth headset (202 Brand New

1. Switch between left and right earphones2. Real time power display3. TWS wireless bluetooth earphones4. Binaural communication5. Powerful power reserve up to 80 hours6. Connect when you open the cover power display7. Touch control long press to call siri8. 1:1 size comfortable to wear9. Parameter 1. Bluetooth version: V5.0 2. Frequency response: 20hz-20khz 3. Sensitivity: 103dB SPL +/ -3db 4. Support protocols: HSP/HFP/A2DP/AVRCP 5. Impedance: 16ohm 6. Voltage: 3.3 - 4.2 V 7. Power: 5mw 8. Battery capacity of charging bin: 400mAh 9. Earphone battery capacity: 45mAh 10. Music time: About 3h (80% volume) 11. Call time: About 3.5h 12. Standby time: About 80h 13. Charging bin USB charging time: About 1h 14. Charging bin wireless charging time: About 3h 15. Earphone button control: Touch control 16. Product size (charging bin) : 44x22x53.8mm 17. Product weight: About 41g