SONIQ QLB10MH - Manual (Page 16)

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Data Encryption 28 bits encrypted
Power Capacity Rechargeable Li-Polymer
Power Supply 5V DC, 00~240V AC adapter
Operation Temperature -0 ~ 55 ℃
Facility Saving Temperature -20 ~ 60 ℃
Operation Moisture 0% ~ 90% (non-concrete status)
Weight 4.4 g (battery included)
Size 66x44x48.5 mm
Safety Regulation CE, BQB
20. Excluding Problems
1. The Headset flashes the red indicator light: The battery is low,
please recharge your Headset.
2. If after recharging for 20 minutes, the Headset does not turn
on: For initial use, the power will be on after charging the
Headset at least for 40 minutes. It is suggested to fully re-
charge the Headset if you use it for the first time.
3. Does not show the recharging sign: When the battery is com-
pletely exhausted or the Headset has not been used for a long
time, when charging, the red indicator light will be lit after a