Bakeey F9 Stereo HiFi TWS Earbuds bluetooth 5.0 Smart Touch Digital Display Binaural Call Earphone Music Headphones with Charging Box

Bakeey F9 Stereo HiFi TWS Earbuds bluetooth 5.0 Smart Touch Digital Display Binaural Call Earphone Music Headphones with Charging Box
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Centimeters
Please according to your own measurements to choose your suitable size. The tags inside the items will show in our Asian (Type) size.
Feature:
Ergonomic customized design, to ensure a comfortable ear sense.
The latest bluetooth V5.0 technology.
High capacity batteries are used for a long time.
Designed for sports, wear solid.
High-definition microphone support calls.
Make your life more convenient.
Specification:
bluetooth version:V5.0 + EDR
Wireless frequency:2.4GHZ
Support agreement:A2DP1.3 / HFP1.6 / HSP1.2 / AVRCP1.6 / D11.3
Working voltage:3.1V~4.2V
Charging voltage:5V-1A
Transmission distance:10 meters
Battery capacity:50mAh
Charging voltage / current:5V / 1A
Play / talk time:about 4 hours
Charging time:about 1 hour
Standby time:120 hours
Speaker impedance:??8MM 32
Microphone sensitivity:-42D
Working temperature:-10-50
Gross weight:4g * 2
Charging compartment parameters
Input voltage / current:5V / 1
Battery capacity:2000mAh
Gross weight:110g
Waterprof:IPX5
Products include:
1 pair of bluetooth headsets
1 * Charging box
1 * Charging cable
1 * User Manual
4 * Ear cap

Additional information