Suitable for any devices(smartphone,earphone,speaker etc) any version of Wireless on the market, including: BT 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, VIKEFON Wireless adapter supports the latest BT V5.0 , whereas most of others on Aliexpress are only equipped with CSR8670 chip and support BT V4.1, V4.0 or even V3.0. With aptX HD, our Wireless transmitter / receiver can stream stable audio and deliver CD-quality sound wirelessly over Wireless connections.
Real-Time Audio Transmission: VIKEFONWireless 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 Wireless headphones or speaker must also support aptX LL / aptX as well.)
Long Battery Life: Internal battery provides Wireless 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, VIFEFON Wireless 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 Wireless 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.