Keys Operation Guide; Specification - Retekess TR108 Manual Del Usuario

shows on the display, then press UP or Down key to turn up or turn down the
volume
5.Mono/Stereo modeIn the FM radio mode, press and hold UP and Down key
together to switch Mono and Stereo mode. The default setting is Mono mode
(-st). (st) stands for stereo
6.Charging
Using the USB cable that included in the package, and connect a DC 5V 0.5A
adapter to charge the radio.
7.Battery level displayIt uses "0-100" numbers for battery level, in the Bluetooth
working mode, press Function key will display the battery level. And the battery

3.Keys Operation Guide

Key
Short press to change working
Power Key
modeLong-press to power it
on/off
Play/Pause
Function Key
Answer/Reject Call
Short press to increase the
UP Key
volume，Long-press to select
the next song
Short press to decrease
the volumeLong-press to select
Down Key
the next song

4.Specification

NO
Bluetooth version
1
2
3
Charging duration
4
5 Frequency range
6
7
Bluetooth Mode
Projet
Working time
Input power
Charging port
Speaker
Short press to change working
mode,Long-press to power it
on/off
Long-press to preset radio
station,Short press to quick
play the store station
Short press to increase
frequency,Long-press for
automatic station search upward
Short press to decrease
frequency，Long-press for
automatic station search
backward
technical parameters
about 16h (in the Bluetooth mode)
about 2-4 hours
10mm 32Ω 10MW
02
FM Radio Mode
V5.0
DC5V 500mA
50-108MHZ
USB micro