NOTED: Its because of sony's Bluetooth headset/earphone/headphone uses a special encoding method, its not public for other devices to connect.So when you use sony's Bluetooth headset/earphone/headphone to pair with our devices in bluetooth transmitter mode, it may takes longer time to pair.The pairing time varies on different model of Sony . But they can surely pair successfully with our devices.
Suitable for any devices(smartphone,earphone,speaker etc) any version of Bluetooth on 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.
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.)
NOTED: If you want to use it to watch TV and watch movies on your PC,Please make sure your bluetooth headphones support APTX LOW LATENCY, Otherwise it will have a little sound delay.
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
TX: aptX HD, aptX Low latency, aptX, SBC
RX: aptX HD, aptX Low latency, aptX, SBC, ACC
1 x Bluetooth Transmitter/Receiver Adapter
1 x Micro USB charging cable
1 x 3.5mm audio cable
1 x 3.5mm jack to 2 RCA plug cables
1 x Digital Optical Toslink Audio Cable
1 x user manual
1.Charging is necessary for first use. It can be fully charged for about 3 hours. The LED lights up red during charging and turns off when it is fully charged.
2.The optical terminal and AUX terminal can not be used at the same time. Please note that digital output can not be done simultaneously when digital input.
3.In order to use aptX HD and aptX LL, your Bluetooth headphones and speakers need to have aptX HD and aptX LL function. Otherwise, codec will automatically be aptX or SBC.