I7S tws Airbuds

1- Model i7s tws 2- Wireless Version: V5.0+EDR 3-SPEAKER IMPEDANCE 32 OMEGA 4-MICROPHONE SENSITIVITY 42 DB 5-FREQUENCY 2.40Ghz 6-battery capacity 65mah/950mah 7-working temperature 10 to 55 degree Celsius 8-input DC 5 volt 9-transformation distance 12 metre 10-play time 5 to 6 hours 11-charging time 1-2 Hours 12-standby time 30 hours