Vakoss SK-832BW headphones/headset

Charging source: USB | Bluetooth version: 5.0 | Wearing style: In-ear | Microphone input impedance: 16 Ω | Recommended usage: Calls & Music | Headphone sensitivity: 100 dB | Volume control: Touch | Maximum input power: 15 mW | Product colour: White | Intraaural headphones type: In-ear monitors | USB connectivity: No | Product type: Headset | Ear coupling: Intraaural | Standby time: 300 h | Control unit type: In-line control unit | Wireless range: 10 m | Microphone sensitivity: -58 dB | Impedance: 16 Ω | Battery life (max): 10 h | Microphone type: Built-in | 3.5 mm connector: No | Headset type: Binaural | Microphone frequency: 100 - 10000 Hz | Connectivity technology: Wireless | Bluetooth: Yes | Headphone frequency: 20 - 20000 Hz | Input voltage (earpieces): 4.5 V | Battery recharge time (charging case): 2 h | Input voltage (charging case): 5.2 V