Dongguan Koppo Electronics CO. Ltd BT508E Manuel D’Utilisation

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Bluetooth chipset: VIMI 9626 
Bluetooth version: 4.1
Profile: A2DP AVRCP HSP HFP
RF: 2402~2480MHz
Receiver distance: 360° 10 meter
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
Paring: Press and hold the Play button for 4-5 seconds till red and 
blue LED flash.
Volume adjust: Short press Volume Up or Down.
Track Selection: Press and hold volume Up or Down.
Pause/play: Press Play Button
Taking/end call
: Short press the Play button when receiving incoming call.
Re-dial last-phone: Double press the Play button
LED indicator
Low power
: Red flashing
Charging
: Red in charging, and blue fully charged
Bluetooth connected
: Blue LED slow flashing
Bluetooth disconnected
: Blue LED quick flashing
Buttons:
1.Volume Down
2.Play and Pause
3.Volume Up
4.MICRO USB Charge Port 
5.MIC  
6.LED    
Specifications
Product weight
:Around 20g(without Sport Ear Hooks)
Working voltage
:3.7 V                   
Working time
: Around 5 hours
DC 5 V
MICRO USB
Charging time
:Around 1 hour
Instructions
Power on: Press and hold the Play button until blue LED appears.
Power off: Press and hold the Play button until red LED appears.
Product Name: Bluetooth headset 
Model: BT508E