Other products by Calrad Electronics
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Item #: 40BT3
MSRP: No Retail

40-BT3 | Portable Bluetooth Stereo Transmitter

Calrad's 40-BT3 Bluetooth wireless transmitter has a 3.5mm stereo input plug that can easily connect to portable audio device for wireless Bluetooth audio playback. Play music, media content from any device with a 3.5mm headphone jack up to 35 ft., the distance may vary with surroundings. Listen to your audio in comfort without a wired connection. Includes USB charging cable, Works with USB power or by battery power. Works with Calrad's 40-BT2 receiver or any standalone stereo receiver that has Bluetooth built-in that supports the A2DP protocol.

40-BT2 Bluetooth Receivers 40-BT2 


  • Bluetooth Specification: Bluetooth V2.1/V1.2
  • Function range: 10 meters
  • Frequency response: 2.4GHz-2.4835GHz
  • Receiving sensitivity: -74±4dB
  • Charging input voltage: DC 5V
  • Working time: Up to 10 hours
  • Charging time: About 2 hours
  • Dimensions: 1.82" (L) x 1.33" (W) x 0.327" (H)
  • Weight: 14g

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