Power On Blue LED blinks 3 times
Pairing Mode Blue & Red LED blink repeatedly
Connectable Mode Blue LED blinks 1 time every 5 seconds
Connected Mode Blue LED blinks 2 times every 5 seconds
Active Call Mode Blue LED blinks 3 times every 5 seconds
Charging in Progress Red LED turns on
Charging Complete Red LED turns o
2. Tone Indication
Status Tone Indication
Power On Turn-on melody
Connect 3 Short Beep
Incoming Call Ring melody
Active Call 2 Rising Beep
Ending a Call 2 Falling Beep
Low Battery Low Battery melody
Model Name MF250
Bluetooth Core Spec Bluetooth Specication 2.1+EDR
Prole HSP, HFP1.5
Carrier Frequency 2400 MHz to 2483.5 MHz
Modulation Method GFSK, 1Mbps, 0.5BT Gaussian
Maximum Data Rate Asynchronous : 2178.1 kbps / 177.1 kbps
Synchronous : 1306.9 kbps / 1306.9 kbps
Bluetooth Class Class 2
Hopping 1600 hops/sec, 1MHz Channel Space
Transmit Power 0 dBm
Coverage Range 10 Meters
Receiver Sensitivity -82 dBm / 0.1 % BER
Continuous Talk Time 6 Hours
Standby Time 180 Hours
Weight 10 g
Dimension 18.1(H) x 51.3(L) x 9.5(H) mm
ChargingVoltage DC 5.0 ~ 5.3 V
Charging Time 2 Hours
OperatingTemperature -10° to +50°C
Storage Temperature -20° to +80°C
Battery Lithium Polymer 3.7V 90mAH
SAFETY AND GENERAL INFORMATION
1. Please read this guidebook carefully and follow the instruction.
2. To avoid any damage or malfunction of the unit, do not drop it from high place.
3. Keep away unit from humidity, water and any other liquid. And if the unit is exposed by water, moisture and other liquid directly,
then do not operate it normally to avoid any electrical shock, explosion and damage of the unit.
4. Do not place or keep the unit near the heat sources such as direct sun light, radiators, stoves or other apparatus which produce heat.
It may cause explosion, degrade of performance and reduce battery life.
5. Do not modify, repair & disassemble unit at discretion. [especially battery: it may cause an explosion]
6. Do not place the heavy objects on the unit.
7. Use only supplied and approved charger.
8. Replacement or service must be done at a qualied service center or manufacturer.
9. Unplug this unit when unused for long period of time or during lightening storms.
[CAUTIONS] ELECTRIC SHOCK HAZARD :
The battery used in this device may present a risk of re or chemical burn if mis-treated.
FCC STATEMENT
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.
[Note]The manufacturer is not responsible for AzNY interference, for example RADIO or TV interference, caused by unauthori z ed
modications to this equipment. Such modications could void the user’s authority to operate the equipment.
SPECIFICATIONS
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English English