Features: 1. USB 5V power supply, power-on automatically activate Bluetooth.
2. Support A2DP, HFP.
A2DP: Send music played on PC to Bluetooth headset.
Audio format: 44.1K sampling, dual channel, 16 bits bit width.
HFP: Implement Bluetooth headset voice intercom.
Audio format: 8K sampling, mono channel, 16bits bit width).
Application:
1. Bluetooth Protocol Stack is implemented on dongle.
2. Just need the host to support USB Auido and plug in USB BT Dongle, the host audio signal can be sent to Bluetooth terminal device through Dongle.
3.
One key: Long press to enter the search state.
2) Bluetooth indicator display: 3 LEDs, idle (LED 1 slow flash), pairable (LED 1 and LED 2 alternate flash), connected (LED 1 long bright, LED 2 slow flash). There is audio data transmission (LED 1 long bright, LED 2 out, LED 3 flash).
4.
Key-free: Power into Bluetooth, automatically search for Bluetooth devices.
2) Bluetooth indicator shows: 1 LED lamp, idle (LED 1 slow flash), pairable (LED 1 flash), connected (LED 1 long light), audio data transmission (LED 1 long light). 5.
PC tool control: 1) PC tool control Bluetooth state. (Using PC tools, communicating with Dongle through USB HID protocol) 2)
Bluetooth indicator shows: 1 LED lamp, idle (LED 1 slow flash), pairable (LED 1 flash), connected (LED 1 long light), audio data transmission (LED 1 long light).
Specifications:
Standard: Bluetooth 4.0
Bluetooth Protocol: A2DP, HSP, HFP
Usb standard: USB 2.0
Output power: 0-4dBm
Receiving sensitivity: - 75dB
Bluetooth Level: Class2
Transmission Distance: 10m
Band: 2.4 GH ISM
Band Connection: Piconet / Scatternet
Support Audio decoding: 16 bit codec
Working voltage: 5V
Packaging size: 105mm*65mm*20mm/ 4.13 * 2.55 * 0.78 ''
Packing weight: 22g
Package Included: 1 x USB Bluetooth Dongle 1 x 3.5 mm Bluetooth Adapter 1 x User Manual