Krüger&Matz M4 PRO Headset Wireless In-ear Calls/Music/Sport/Everyday Bluetooth White

Microphone input impedance: 32 Ω | Microphone type: Built-in | Headphone sensitivity: 103 dB | Sound pressure level (max): 103 dB | Wireless range: 10 m | Connectivity technology: Wireless | Bluetooth version: 5.0 | Bluetooth: Yes | Product type: Headset | Talk time: 5 h | Battery voltage: 5 V | Bluetooth profiles: A2DP | Recommended usage: Calls/Music/Sport/Everyday | Bluetooth profiles: HSP | Bluetooth profiles: AVRCP | Product colour: White | Wearing style: In-ear | Bluetooth profiles: HFP | Control type: Touch | Battery type: Built-in battery | Signal-to-Noise Ratio (SNR): 97 dB | Total Harmonic Distortion (THD): 5% | Ear coupling: Intraaural | Operating keys: Low-Latency mode | USB connectivity: Yes | Microphone sensitivity: 100 dB | Microphone in: Yes | USB Type-C charging port: Yes | Compliance certificates: CE | Battery capacity (charging case): 500 mAh | Frequency response (music mode): 20 - 20000 Hz | Input current (charging case): 1 A | Input voltage (charging case): 5 V | Diaphragm diameter: 8 mm