Specifications
Specifications
Wireless Version: V5.0
Wireless Range: 10m
Drive Size: 40mm
Impedance: 32Ω
Sensitivity: 105db+/-3db
Frequency Response: 20Hz-20kHz
Rechargeable Battery: 3.7V 200 mAH
Built-in Hands-free Microphone
Support TF Card up to 32GB (not included)
Music playing time up to 5 hours(depending on music)
Location of Controls:
1.Power ON / OFF,Play/Pasuse
2.Volume - /Previous track : Short press to decrease the volume. Press and hold to select
previous track in Bluetooth/TF Card Modes
3.Volume + /Next track: Short press to increase the volume. Press and hold to select
next track in Bluetooth/TF Card Modes
4. TF card slot
5. LED Indicator
6. Micro USB DC 5V charging port
7. AUX-IN jack
How to use
1.Power key and Pair key
Press " "for about 2-3 seconds , Red and Blue Led light will flash continuously. You
can search for your pairing name " LK20" from your wireless device to wirelessly connect
to your headphone.
Under bluetooth mode, short press" "to answer when calling is coming. And short
press again to hang off the call
Under bluetooth mode, ,short press" "to play/pause the music,Double click to redial
the last call.
Volume +/Next Track
Short press to increase volume. Long Press to Next Track.
Volume -/Previous Track
Short press to decrease volume continuously. Long Press to Previous Track.
2. LED light indicator
Press power key for 2-3 second to turn it on,red and blue light will flash alternatively and
start pair.
Light is red when charging, light will be off when unit is fully charged.
3. How to play AUX mode: Inserting the 3.5mm cable to the 3.5mm jack of the
product, then the unit will switch to AUX mode automatically. You can adjust the
volume and select the song from the input device. The volume up/down and previous/
next track button cannot work when in the AUX mode.