Price:
US$30.68   

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Feature:
It is applicable to any Bluetooth device (Smartphone, headset, speaker, etc.) in the market, including Bluetooth 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.
2. The first aptx HD used in TX and Rx mode at the same time: supported by advanced CSR8675 chipset, vikefor Bluetooth adapter supports the latest Bluetooth V5.0, while most other adapters on aliexpress are only equipped with CSR8670 chip and support Bluetooth v4.1, v4.0 or even v3.0.
3. With aptx HD, our Bluetooth transmitter / receiver can stream stable audio and transmit CD quality sound wirelessly through Bluetooth connection.
4. Real time audio transmission: in TX and Rx modes, the vikefor Bluetooth transceiver adopts the aptx low delay technology, which can reduce the audio lag of less than 40ms, so that you can enjoy the high-quality audio synchronized with pictures (your Bluetooth headset or speaker must also support aptx ll / aptx.)
5. Note: if you want to use it to watch TV and movies on your PC, make sure your Bluetooth headset supports aptx low latency, otherwise the sound will be slightly delayed.
6. Long battery life: the built-in battery provides Bluetooth adapter with a charging time of 3 hours, which can be used for more than 24 hours. It also supports both charging and streaming.
7.  Optional + RCA + 3.5mm: in addition to the 3.5mm Aux / RCA connection, the vifefon Bluetooth adapter also supports optical cable (Toslink / SPDIF) I / O. With the included cable, you can enjoy high-quality digital sound through multiple audio outputs (for example, wired stereo, speakers, or headphones).
8.In TX mode, two Bluetooth headsets can be paired at one time, so parents can watch silently and give children necessary rest time. In Rx mode, you can pair two smart devices to play different songs. Record 8 devices and automatically re pair with existing paired devices.
9. Auto off: in Rx or TX mode, if there is no device to connect within 10 minutes, BT-B19 will automatically turn off the power supply.
10. Pair with each other: support each other, one as transmitter and the second as receiver.

Specification:
Bluetooth version: V5.0, class II
Battery: 600mAh rechargeable lithium battery
Working time in receiver mode: 22 hours
Working time in transmitter mode: 26 hours
Charging time: 3 hours
Transmission range: within 10m
Audio encoding:
TX: aptx HD, aptx low latency, aptx, SBC
Rx: aptx HD, aptx low latency, aptx, SBC, ACC
Size: 63x63x20mm/2.48×2.48×0.78\\\'\\\'

Warm Tips:
1. It must be charged for the first time. It takes about three hours to fully charge. During charging, the LED lights up in red and goes out when fully charged.
2. Optical terminal and aux terminal cannot be used at the same time. Please note that digital input cannot be accompanied by digital output.
3. In order to use aptx HD and aptx ll, your Bluetooth headset and speakers need to have the functions of aptx HD and aptx LL. Otherwise, the codec will automatically be aptx or SBC.

Note:
Please allow 1-3mm differs due to manual measurement.
Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding.

Package Content:
1 X Bluetooth Receiver Transmitter
1 X 3.5mm Audio Cable
1 X Mico USB Charging Cable
1 X 3.5mm Jack to 2RCA Cable
1 X Digital Optical Fiber Toslink Audio Cable
1 X User Manual

Bluetooth Receiver Transmitter CSR8675 APTX HD Wireless Audio Music Adapter
Bluetooth Receiver Transmitter CSR8675 APTX HD Wireless Audio Music Adapter
Bluetooth Receiver Transmitter CSR8675 APTX HD Wireless Audio Music Adapter
Bluetooth Receiver Transmitter CSR8675 APTX HD Wireless Audio Music Adapter
Bluetooth Receiver Transmitter CSR8675 APTX HD Wireless Audio Music Adapter
Bluetooth Receiver Transmitter CSR8675 APTX HD Wireless Audio Music Adapter

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