Sandberg Bluetooth Office Headset Pro+, User Manual

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Specifications:
- Bluetooth 5.0, CSR chipset
- 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 frequency: 100Hz - 20KHz
- Microphone sensitivity: -38dB ± 3dB
- Blue/Red indicator LEDs
- 1 Multi-function button
- Vol +/- buttons, Mute button
- Charging time: Approx. 2 hours
- Talking time: Approx. 20 hours
- Stand-by time: Approx. 200 hours
- Charging input: Micro USB DC 5V
- Battery capacity: 320 mAh / 3.7V
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