New wireless i9 stereo earpods with bilateral phone call function

Description

Product Spec:

Bluetooth version: Bluetooth V5.0+Binarual call

Bluetooth use band: 2.4GHZ

Impedance: 32Ohm

Microphone sensitivity: 107DB SPL +/-3DB

Wireless frequency: 20HZ-20KHZ

Battery capacity: 400mAh

Charging voltage: 3.3-4.2V

Power: 25mW

Transmission distance:15m

Playing time: about 2-3 hours

Charging time: about 1 hour

Standby time: about 72 hours

Packing List:  

2* Mini Bluetooth Earphones 

1* Charging Box

1* USB Charging Cable

1* User Manual