All-in-One Wireless Bluetooth 5.0 aptX HD Audio Adapter Receiver & Transmitter



Pair your smart phone with any speaker. The brand new All-in-One Wireless Bluetooth 5.0 aptX HD Audio Adapter Receiver & Transmitter allows you to adapt any speaker and turn it into a bluetooth speaker. Simply plug in the audio correct audio cables and pair your phone to the transmitter. Simple as 1,2,3. This can even be used for in your car. Order yours today!


  • Suitable for any devices (smartphone, earphone, speaker, etc.) any version of Bluetooth on the market - 1.0/1.1/1.2;/2.0/2.1;3.0/3.1/3.2;4.0/4.1/4.2;5.0 etc.
  • World’s First aptX HD in Both TX / RX Mode: Powered by premium CSR8675 chipset, Bluetooth adapter supports  the latest Bluetooth V5.0 , whereas most of others on Aliexpress are only equipped with CSR8670 chip and support Bluetooth V4.1, V4.0 or even V3.0. With aptX HD, our Bluetooth transmitter / receiver can stream stable audio and deliver CD-quality sound wirelessly over Bluetooth connections.
  • Real-Time Audio Transmission: Bluetooth transceiver adopt the aptX Low Latency Technology in both TX & RX modes, which can reduce audio lag under 40ms and let you enjoy high-quality audio in sync with the picture (Your Bluetooth headphones or speaker must also support aptX LL / aptX as well.)
  • Long Battery Life: Internal battery provides Bluetooth adapter for more than 24 HOURS of use after 3 hours charging time. It also supports charging and streaming simultaneously.
  • OPTICAL+RCA+3.5MM: Apart from 3.5mm Aux / RCA connection, Bluetooth Adapter also supports optical cable (TOSLINK /SPDIF) input / output. With provided optical cable, you can enjoy high-quality digital sound through multiple audio outputs, such as wired stereo, speakers, or headphones.
  • Under TX mode, two Bluetooth headphones can be paired at once so parents can watch in silence and give children a needed break; Under RX mode, two smart devices can be paired for playing different songs. Record 8 devices and automatically re-pairing with existing paired devices.
  • Auto-Turn OFF: In RX or TX mode, The BT-B19 will automatically power off if there is no devices to be connected within 10 minutes.
  • Pair with each other: Support work with each other, One as a transmitter, the second - as a receiver.


  • Bluetooth version: V5.0, Class II
  • Battery: 600mAH rechargeable lithium battery
  • Net weight: about 45 g
  • Size: 63 x 63 x 20mm
  • Operating time in receiver mode: 22 hours
  • Operating time in transmitter mode: 26 hours
  • Charging time: 3 hours
  • Transmission range: within 10 m
  • Audio coding:
  • TX: aptX HD,  aptX, SBC
  • RX: aptX HD, aptX Low latency, aptX, SBC, ACC

Package Includes:

  • One (1) 5.0 APTX HD Bluetooth Audio Adapter with 3.5mm AUX / SPDIF / Optical Toslink for Automotive Speakers
  • One (1) Micro USB Charging Cable
  • One (1) 3.5mm Audio Cable
  • One (1) 3.5mm Jack to 2 RCA Plug Cables
  • One (1) Digital Optical Toslink Audio Cable
  • One (1) User Manual