- Bluetooth Version: 4.2
- Bluetooth Agreement: A2DP HS/ HFP AVRCP
- Interface: High Speed USB2.0*3
- LED Screen: FM,Car battery voltage level and playing songs can be displayed on LED.
- Power: Cigarette Lighter Power Supply
- USB Output: 4.8A
- Support TF Card/U-disk up to 32GB
- Power Supply: DC12-24V
- Support Format: MP3/ WMA/ APE/ FLAC/ WAV
- Rated Current: 50-100mA DC12V
- Bit Rate: 64-320kbps
- FM Frequency Range: 87.5 – 108MHz
- SNR: 85db（FM:65db)
- Harmonic Distortion: <0.05%
- FM: <0.1%
- Operating Temperature: 0℃-60℃
- Suitable Car Models: DC12V -24V Cars
- Connected Range: up to 10m

Product Features:
1. Hands-free Call.
2. Automatically detect automotive battery voltage.
3. 3 USB Ports car charger up to 4.8A high speed.
4. Connected with telephone via Bluetooth, support popular map APP and voice navigation.
5. Features with MP3/MP4 music playing and U-Disk music playing; Multi-function Button Control: Play/ Pause, Previous/ Next song, Volume up/down; Max Support TF Card/ U-disk up to 32GB.
6. Car Bluetooth music player, which can be used to play music on your phone or online music, is compatible with most popular music APP and supports MP3/WMA/APE/FLAC/WAV format.
7. FM transmitter could automatically connect the next time if had been connected before, song could be automatically played the next time after power on.
8. It is well charging for most devices, including phones, iPad, GPS; Support charge for 2 tablets or 3 phones at the same time; Support playing music when charging.

How to detect car battery voltage level and charge for devices?
1. Plug this FM transmitter into car cigarette lighter slot and orange indicator light shines, FM and car battery voltage lever will display on the LED.
2.Plug the USB cable into a USB plug and the another side of the USB cable should be connected into your phone, tablet or other device. It supports charging for up to 3 devices at the same time and the right USB port also support U disk music playing.

How to play music and hands free call via Bluetooth connection?
1. Plug this FM transmitter into car cigarette lighter slot and orange indicator light flashes, which means it is in standby.
2. Bluetooth Connection: Turn your phone Bluetooth on, search “spm-o2” and connect, then voice will remind Bluetooth connection is successful.
3. Adjust FM: Turn the knob left/right to turn FM station down/up, then the FM station of the Bluetooth transmitter must be same as the car’s.
- Adjust Volume: Long press the right/left button to increase/reduce volume.
- Switch Songs: Shortly press the right/left button to next/previous song.
- Play/Pause: Press the middle button to Play/Pause music.
5. Hands-free Call: When Bluetooth is connecting successfully, shortly press the middle button to answer the call and long press the middle button to hang up when call is coming, short press to hang up when answering the call.
4. Playing Music:
- Plug U disk/MP3/MP4 into the right USB Port to directly play music.
- Open a music APP in your phone after connection successful and play a music, then you can stream music in car.(Notice: Please manually adjust car FM to a clear FM station in 87.5-108MHz, then you can stream music with crystal sound quality )

Notice:
1. Operating Voltage: 12-24V
2. It is normal if the Bluetooth transmitter heats a bit on working or if it pauses/restarts when car is starting.
3. If you do not use this product for a long time, please pull it out from the cigarette lighter slot.

Problem-Solve:
1. If the indicator light does not shine, please check whether the supply voltage is within the rated operating voltage or whether the female base of the FM transmitter are connected to the cigarette butts.
2. If the indicator light and FM show on the LED but the music does not play, please check if the volume is the lowest or Bluetooth connection is successful.
3. If there is noise in playing music or in the hands-free call, please reduce the Bluetooth transmitter volume, increase the car speaker volume, or check whether the FM of the product is identical with the car radio’s.
4. If the bluetooth connection is unsuccessful, please cancel the previous connection and reconnect.