Vakoss SK-832BK WIRELESS BLUETOOTH EARPHONES SMARTPHONE CONTROL WITH MICROPHONE BLACK

Wearing style : In-ear
Volume control: Touch
Control unit type: In-line control unit
Recommended usage Calls & Music
3.5 mm connector
Connectivity technology: Wireless
Bluetooth version 5.0
Wireless range: 10 m
Battery:
Standby time: 300 h
Battery life (max): 10 h
Charging source: USB
Input voltage (charging case): 5.2 V
Battery recharge time (charging case): 2 h
Input voltage (earpieces) 4.5 V
Microphone:
Microphone sensitivity: -58 dB
Microphone input impedance: 16 Ω
Microphone type: Built-in
Microphone frequency 100 - 10000 Hz
Headphones:
Headphone frequency : 20 - 20000 Hz
Maximum input power: 15 mW
Headphone sensitivity: 100 dB
Impedance: 16 Ω