User's Manual

Connecting with an audio cable
To slide shift button to audio input icon and connect the bottom extented 3.5mm audio jack to music device.
Power on
Connect to last device
Enter pass code “0000”
Play music
Fail to Search last device after 20s
Under pairing mode
Device find GP-503
Enter pass code”0000”
Successful to connect
Play music
No device to pai
r
Get back search last device
after 150s
Remate up device
Specification
Output:： 2.5Wx1pcs
Signal To Noise Ratio: >86dB
Frequency Response: 100Hz-20kHz
Distortion: <10%
Battery Li-ion: 3.7v
Battery Capacity: 500mAh
Battery Charging Voltage: 5V
Charger Time: 3 hours max
Last Time: 4hours (via bluetooth to play)
Last Time: 5hours (via audio cable to play)
Driver Unit: 36mm, 4 Ohm ,2.5W
Dimension: 70x53mm
Power Indicator Light: Blue lights
Transmission Distance: 10m
Work Frequency: 2.40-2.480GHz
Bluetooth Model: V2.1+EDR
Transmission distance: 10m
Transmission Power:
bluetooth class 2
GP-503 bluetooth operation Chart