Low battery
Red light flashes 1 time every 15 seconds
and there is beep sound
7. Specification
* Bluetooth Specification V3.0+EDR
* Supports Bluetooth Headset and Hands-free Profile
* RF Frequency Range: 2.402-2.480GHZ, 2.4G ISM band
* Radio Performance: Receive Sensitivity of -90dBm
* Frequency Response: 20 Hz - 20 KHz, Very high Signal to Noise Ratio (SNR):95 Db,
Total Harmonic Distortion (THD):0.1%,
* Rechargeable 80mAh Li-Polymer Battery
* Charger adapter Output: DC 5V&400mA
* Nominal charging time: Max 1.5- 2 hours
* Talk time: Up to 4 hours
* Standby time: Up to 100 hours
FCC Warning:
This equipment has been tested and found to comply with the limits for a Class B
digital device, pursuant to part 15 of the FCC Rules. These limits are designed to
provide reasonable protection against harmful interference in a residential
installation. This equipment generates, uses and can radiate radio frequency energy
and, if not installed and used in accordance with the instructions, may cause harmful
interference to radio communications. However, there is no guarantee that
interference will not occur in a particular installation. If this equipment does cause
harmful interference to radio or television reception, which can be determined by
turning the equipment off and on, the user is encouraged to try to correct the
interference by one or more of the following measures:
•
Reorient or relocate the receiving antenna.
•
Increase the separation between the equipment and receiver.
•
Connect the equipment into an outlet on a circuit different from that to which the
receiver is connected.
•
Consult the dealer or an experienced radio/TV technician for help.
Caution: Any changes or modifications to this device not explicitly approved by
manufacturer could void your authority to operate this equipment.
This device complies with part 15 of the FCC Rules. Operation is subject to the
following two conditions: (1) This device may not cause harmful interference, and (2)
this device must accept any interference received, including interference that may
cause undesired operation.
The device has been evaluated to meet general RF exposure requirement. The device
can be used in portable exposure condition without restriction.
