Borofone TWS02 wireless headphones

Equipment: Charging case, USB cable, 2 pairs of interchangeable ear pads, 2 pairs of ear tips, instructions
Design: Intracanal
Description: Design: in-ear, device type: TWS wireless headphones, design features: microphone, case charging type: micro USB, acoustic design type: closed, operating time: 2.50 h
Working hours: 2.5 h
Standby time: 40 h
Impedance: 16 ohm
Sensitivity: 92 dB
Design features: Microphone
Charging time: 2 h
Device type: Wireless tws earphones
Mount type: Without attachment
Maximum playback frequency: 20000 Hz
Minimum repeatable frequency: 20 Hz
Technology: Dynamic
Bluetooth version: 4.2
Type of acoustic design: Closed
Wireless connection type: Bluetooth
Case charging type: micro USB