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3.

 

Insert Micro SD card or USB disk which containing MP3/WMA files into the card/USB slot (please 

follow Fig. 1). It will play and transmit the file automatically. Follow the Fig. 2 & Fig. 3 as below 
to control your music easily.     
 

 

 

Fig. 2 

 

 

Fig. 3 

               

 

Using Bluetooth function: 
 

1.

 

Using Bluetooth for the first time, you need to pair your mobile phone with this unit. Activate 

your mobile phone's Bluetooth function, then search new device. When the mobile phone detects 
this unit (named as "

BT21L

"), normally the connection will be set up automatically and doesn

Summary of Contents for BT21L

Page 1: ... s stereo system and most of functions are achieved by the rotation knob Please read the User Manual carefully before using Hope this device makes your driving more interesting and safer Packing contents Bluetooth device User Guide Specification Bluetooth version JL V4 2 Bluetooth Protocol AVRCP HFP A2DP Frequency range 88 1 107 9MHZ Frequency stability 10ppm Product Input 12 24V Music Format MP3 ...

Page 2: ...s Please read all safety instruction warnings carefully before using this product Improper use of this product may result in damage to this or attached products To ensure the products work well please never use this in the following conditions 1 Moist or underwater conditions 2 Conditions near heater or high temperature service 3 Conditions with direct and strong sunshine 4 Never dismantle the pro...

Page 3: ...he Fig 2 Fig 3 as below to control your music easily Fig 2 Fig 3 Using Bluetooth function 1 Using Bluetooth for the first time you need to pair your mobile phone with this unit Activate your mobile phone s Bluetooth function then search new device When the mobile phone detects this unit named as BT21L normally the connection will be set up automatically and doesn t ...

Page 4: ...es 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 ...

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