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11
ENGLISH
Troubleshooting
Problem Solution
The power does not turn on Check the battery level and charge it.
Cannot make a call with the
HBS-781
If the mobile phone does not support headset and hands-free functions,
you cannot use the calling features.
Check the battery level and charge it.
Cannot connect the
HBS-781 to mobile phone
Check whether the HBS-781 is turned on.
Check whether the HBS-781 is in Search mode.
- Simultaneously press and hold the Call button and slide the
Power switch to the ON position to put the HBS-781 in Search mode.
The sound is low Control the sound level of the device connected to the HBS-781.
Specications and Features
Item Comments
Bluetooth Specications V 4.1 (Headset/Hands-Free/A2DP/AVRCP)
Battery Battery 3.7 V/210 mAh, lithium-ion polymer
Standby Time Up to 720 hours*
Talk Time Up to 16 hours*
Music Play Time Up to 10.5 hours*
Charging Time Less than 2 hours
Rated Input Voltage DC 4.75 V ~ 5.3 V, 400 mA
Operating Temperature -10°C (+14°F) ~ +50°C (+122°F)
Dimensions/Weight 5.4" (W) X 6.7" (L) X 0.6" (H) / 1.21 oz
Operating Frequency 2402 MHz to 2480 MHz
*Duration of use may vary depending on the connected mobile device, features being used, settings,
signal strength, operating temperature, frequency band, and other methods of use.
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