B38 Bluetooth 5.0 Receiver Transmitter AptX for TV Headphones Bluetooth AUX Audio Adapter

Interface Type:PCI Express
Model Number:pcie 1 to 4 riser card for bitcoin mining
USB Length:60cm
Connector:Gold plated
USB Interface:usb 3.0
Item Type:PCIExpres Riser Card Extender
Use:Dedicated for bitcoin mining
Certification:NONE
Origin:CN(Origin)
Type:IDE Cables

B38 is an OLED Bluetooth audio receiver/transmitter. The receiving state (RX) and the transmitting state (TX) can be switched by dialing the switch.
With SPDIF and AUX audio interfaces, it is compatible and versatile.
B38 supports one with two functions (two stereo Bluetooth speakers or stereo Bluetooth headsets can be connected at the same time in TX state, two speakers/headphones can emit sound at the same time; two mobile phones can be connected at the same time in RX state)
Use CSR Bluetooth chip as the core data processing.
Transmitting power: Class II, open area Greater than 10M use range (the actual range depends on the equipment connected to it)
Frequency range: Bluetooth standard, 2.402~2.480GHz
The main chip data storage uses 16M FLASH memory
Support A2DP AVRCP protocol
It can be connected with Bluetooth speakers or earphones that support A2DP protocol to form a wireless audio transmission network, which can be used on TVs, CDs, home theaters and other equipment; it can also be connected with mobile phones/computers to play music.
Support SBC, apt-X, apt-X LL, apt-X HD, AAC (RX), FS (TX) and other CODEC
Supported Bluetooth speaker or headset pairing security keys are: 0000, 1111, 1234, 8888.
Use time in receiving state Greater than 20 hours, use time in transmitting state Greater than 20 hours
Charging time is about 3 hours, charging input requirement: 5V DC greater than equal 500MA
500mAh lithium ion polymer rechargeable
Working temperature: -10-55
Net weight: about 48g
size:60x60x22mm
Material:Plastic + Metal
colour:Black
Package Contents:
1 x OLED wireless audio receiver/transmitter
1 x USB charging cable
1 x 3.5MM audio cable
1 x optical cable
1 x RCA audio cable
Only the above package content, other products are not included.
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.