USB BT Dongle BT Adapter BT CSR4.0 Dongle Audio Receiver

Description: this bt adapter is equipped with usb2.0 interface to deal with data and audio interaction between pc and various bt devices. adopt standard csr8510 chip, fully conforms to the technical specification of bt 4.0, transmission distance up to 20m. stable and strong signal, dual mode, extremely low consumption. features: adopt csr8510 a10 chip, truly in line with bt 4.0 technical specifications, dual mode transmission. 20m ultra-long transmission distance (no barrier), strong signal. 3mbps stable transmission rate to provide high-speed file, audio data transmission. ultra-low delay speed link, intelligent sleep wake energy saving, 24-bit crc check to resist interference, adaptive frequency hopping to reduce crosstalk. fully backwards compatible with bt 2.0, bt 2.1, bt 3.0 specifications.