i9 TWS Wireless Sports Bilateral Stereo Bluetooth 5.0 Earphones with Charging Box, Button Version (White)

product parameters
Bluetooth Solution: RL5003 Actions
Bluetooth version: Bluetooth 5.0
Playback power consumption: 0-14 mA
Call power consumption: 8-13 mA
Standby current: 0.36
Receive sensitivity: -85dBm
Audio signal to noise ratio: 94dB
Noise reduction: DSP intelligent noise reduction
Product net weight: 39g
With packaging: 95.4g

Survey unit
Type: 10mm custom version true copper ring HIFI unit
Acoustic structure: closed
Magnet Type: NdFeB
Frequency response: 20Hz-20kHz
Sensitivity: 112dB
Output power: regular 3 mW, maximum 5 mW

microphone
Type: Digital Silicon MEMS
Number of channels: two channels (stereo)
Sensitivity: -42

Battery
Single ear power: 40mAh
Charging capacity: 250 mAh
Playing time: 3 hours.
The charging compartment can charge the headset 2-3 times and the total battery life is 12 hours.

Instructions for use
After receiving the goods, take out the earphones, the earphones will automatically turn on; the left ear flashes with blue light every 5 seconds, and the red and blue lights of the right ear flash alternately.
Turn on the phone Bluetooth, search for i9-5.0 and click the connection to use