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Small white rectangular Bluetooth 5.4 audio transmitter with rounded edges, smooth matte finish

MrSpark BF02 Bluetooth 5.4 Audio Transmitter White

SKU CH-YCDS-806KF

Bluetooth 5.4 transmitter streams 3.5 mm audio to two headphones with 30-hour battery and USB-C charging

  • Sales unit1
  • Power supplyBattery Powered
  • Size and weight1.57 in × 0.47 in × 2.16 in
  • Product colorWhite
  • Key featuresLightweight
  • Bluetooth 5.4 streams audio wirelessly from any 3.5 mm source
  • 30 hours playback per charge with USB-C charge-while-use
  • Dual headphone pairing lets two listeners share one device
  • 57 x 0.47 x 2.16 in ultra-compact design with built-in cable storage
  • Volume buttons on the adapter give instant control without touching the source

Ready for airplane seats and gym machines

The MrSpark BF02 adds Bluetooth 5.4 to any source with a 3.5 mm jack. It streams audio to wireless headphones or earbuds so you can listen without cables on flights, treadmills or gaming handhelds.

Thirty-hour runtime with charge-while-playing

A single charge powers more than 30 hours of continuous streaming. The transmitter stays active while plugged into a USB-C supply, so long journeys never interrupt the audio.

Pocket-sized with built-in cable storage

The white unit measures 1.57 by 0.47 by 2.16 inches and weighs very little. A dedicated slot holds the 3.5 mm cable, protecting the connector and keeping the adapter tidy in a bag or pocket. Supports two headphones simultaneously for shared listening.

How it compares

Measured against everything we stock in Wi-Fi & Bluetooth Audio Devices, at today’s prices. Recalculated every night.

Price $34.99
Cheaper than about 75% of the 297 comparable items (median $63.99).

Specifications

Product
Brand nameMrSpark
Product lineBF02
Model nameBF02
Part numberBF02
Product colorWhite
Power
Power supplyBattery Powered
Size & build
Size and weight1.57 in × 0.47 in × 2.16 in
In the box
Sales unit1

Questions about this item

How long will the battery last on a long-haul flight?

The transmitter provides over 30 hours of playback on a single charge and can be used while charging via the USB-C cable.

What connection does my device need for the BF02 to work?

The transmitter plugs into any 3.5 mm audio jack, such as those on airplane entertainment systems, TVs or gym equipment.

Can I connect two pairs of headphones at the same time?

Yes, the adapter supports simultaneous pairing with two Bluetooth headphones or earbuds.

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