Sandberg Bluetooth Office Headset Pro+

Bluetooth 5.2
Chipset: QCC3024
Frequency range: 2.4 GHz-2.4835 GHz
Multiple-points technology for Dual Device connection
Supports A2DP, AVRCP, HFP, HSP, AAC
Up to 30 metres wireless range
Speaker frequency: 20Hz – 20KHz
Speaker Sensitivity: 118dB ± 3dB
Microphone sensitivity: -38dB ± 3dB
Blue/Red indicator LEDs
1 Multi-function button
Vol +/- buttons, Mute button
Charging time: Approx. 2 hours
Talking time: Approx. 30 hours
Stand-by time: Approx. 200 hours
Charging input: Micro USB DC 5V
Battery capacity: 320 mAh / 3.7V
Max. transmission power: 4 dBM (2.5 mW)