Wireless F9 model 5th generation for phone / Bluetooth with microphone for smartphone / TWS / Bluetooth

Equipment: Wireless headphones, replaceable silicone ear pads, charging case, charging cable; user documentation
Design: Intracanal
Product color: Black
Description: Design: in-ear, device type: wireless TWS headphones, design features: microphone, detachable cable, case charging type: micro USB, acoustic design type: closed, functions: surround sound
Additional Information: Range up to 10 meters; touch control; case with PowerBank function
Functions: Surround sound
Battery capacity: 2000 mAh
Impedance: 32 ohm
Included: USB cable, microUSB cable
Length of cable: 0.25 m
Design features: Microphone, detachable cable
Device type: Wireless tws earphones
Mount type: Without attachment
Maximum playback frequency: 20000 Hz
Minimum repeatable frequency: 20 Hz
Technology: Dynamic
Bluetooth version: 5.0
Membrane diameter: 8 mm
Type of acoustic design: Closed
Wireless connection type: Bluetooth
Case charging type: micro USB