Product introduction:
BT-4 is a Bluetooth stereo audio wireless transmitter device, can be paired with Bluetooth devices with digital devices
(such as Bluetooth speaker or Bluetooth headset, etc.) to achieve indoor wireless high fidelity audio transmission.
This Bluetooth transmitter can be used for all digital products with audio output (3.5MM audio interface),
only the audio link to the input port can be. Including computers, televisions, and all other products with no Bluetooth function.
With Bluetooth headset or Bluetooth audio enjoy music and TV shows, not to influence others, to ensure privacy.


Product instruction: 1, using one end connected to the USB line is connected to the micro-USB input interface of the Bluetooth music transmitter.
2,connect the other end of the USB cable to your computer, laptop or USB power converter, when the LED lamp of Bluetooth music
transmitter turns red.
3, when the charge is over, the red LED lights will go out, which can provide up to 8 hours of continuous playback time.

Switch machine: 1.Please dial 1 to open the key switch to ON position. Blue LED light from 10 seconds after the blue LED began flashing into the search equipment and
automatic link. When the link on the device, the blue LED light lamp.
2. Please dial key switch to OFF position transmitter shutdown.

• Model: BT-4, Interface:3.5mm,Whether or not plug and play: plug and play.
• External power supply: no external power supply. Transmission speed: 4（Mbps）, Effective working range : 10（m）
• Bluetooth protocol: 2.1,4.0,Working rate: 2.4（MHz）,Input parameter: 5, Charging current: 1000, Built in battery: 250 MHA, USB line charging.Charging time: 3 hours.Working time: up to 8 hours.
• Packaging accessories:
  1 x Bluetooth transmitter host
  1 x USB charging line
  1 x 3.5 audio cable
  1 x manual
  
• Made in China ,only delivery date 7 to 15 days.

Model: BT-4, Interface:3.5mm,Whether or not plug and play: plug and play.Aamina