Specifications:
Item type: F9 tws Headset
Color: Black
Bluetooth version: 5.0
Function: Last/Next song,Play/Pause, Call rejection, One-key Siri
Working distance: 10M
Charging time: 1-2H
Working time: About 3h(Earbuds)
Earbud's b-attery: 50mAh
Charging box battery:1200mAh
Frequency: 50-8KHz
Sensitivity: 95±3dB
Input current: 5V 1A
Output current: 5V 1A
Impedance: 32Ω
Package list:
1* Bluetooth earphone
1* 3 pairs earcap
1* Charge cable
1* Use manual