Defender Twins 638 Wireless Headphones

Weight: 40 g
Design: Intracanal
Description: Design: in-ear, device type: wireless headphones, design features: microphone, case charging type: micro USB, plug connector: microUSB, acoustic design type: closed, operating time: 4 h
Width: 65
Height: 30
Additional Information: Range: 10 m; bluetooth specification: V5.0+EDR, A2DP, AVRCP, HFP, HSP; microphone sensitivity: 42dB
Plug connector: microUSB
Working hours: 4 h
Thickness: 30 mm
Talk Time: 2 h
Sensitivity: 98 dB
Included: MicroUSB cable
Design features: Microphone
Device type: Wireless headphones
Mount type: Without attachment
Maximum playback frequency: 20000 Hz
Minimum repeatable frequency: 20 Hz
Number of microphones: 2
Bluetooth version: 5.0
Membrane diameter: 10 mm
Type of acoustic design: Closed
Wireless connection type: Bluetooth
Charging case height: 30 mm
Charging case depth: 30 mm
Case battery capacity: 300 mAh
Case charging type: micro USB
Charging Case Width: 65 mm
Battery capacity for one earphone: 40 mAh
Number of drivers: 1