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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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: φ8MM 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